{"id":12248,"date":"2026-10-06T17:38:22","date_gmt":"2026-10-06T09:38:22","guid":{"rendered":"https:\/\/www.cybermedian.com\/vn\/use-case-diagrams-for-agile-teams-a-beginners-guide-to-visualizing-system-behavior\/"},"modified":"2026-10-07T18:47:57","modified_gmt":"2026-10-07T10:47:57","slug":"use-case-diagrams-for-agile-teams-a-beginners-guide-to-visualizing-system-behavior","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/vn\/use-case-diagrams-for-agile-teams-a-beginners-guide-to-visualizing-system-behavior\/","title":{"rendered":"Bi\u1ec3u \u0111\u1ed3 Use Case cho c\u00e1c \u0111\u1ed9i Agile: H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n \u0111\u1ec3 tr\u1ef1c quan h\u00f3a h\u00e0nh vi h\u1ec7 th\u1ed1ng"},"content":{"rendered":"<p>Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n Agile \u0111\u1ea7y t\u1ed1c \u0111\u1ed9, t\u00e0i li\u1ec7u th\u01b0\u1eddng b\u1ecb mang ti\u1ebfng x\u1ea5u. N\u00f3 b\u1ecb xem l\u00e0 ch\u1eadm ch\u1ea1p, c\u1ee9ng nh\u1eafc v\u00e0 kh\u00f4ng g\u1eafn li\u1ec1n v\u1edbi m\u00e3 ngu\u1ed3n th\u1ef1c t\u1ebf. Tuy nhi\u00ean, m\u1ed9t s\u1ea3n ph\u1ea9m v\u1eabn kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 th\u1ed1ng nh\u1ea5t c\u00e1c b\u00ean li\u00ean quan, x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi v\u00e0 th\u00fac \u0111\u1ea9y c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng: <strong>Bi\u1ec3u \u0111\u1ed3 Use Case<\/strong>.<\/p>\n<p>\u0110\u1ed1i v\u1edbi Qu\u1ea3n l\u00fd S\u1ea3n ph\u1ea9m, Chuy\u00ean vi\u00ean Ph\u00e2n t\u00edch Nghi\u1ec7p v\u1ee5 v\u00e0 c\u00e1c \u0111\u1ed9i Agile, bi\u1ec3u \u0111\u1ed3 use case kh\u00f4ng nh\u1eb1m t\u1ea1o ra c\u00e1c b\u1ea3n thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac ho\u00e0n h\u1ea3o. Ch\u00fang nh\u1eb1m m\u1ee5c \u0111\u00edch giao ti\u1ebfp. Ch\u00fang cung c\u1ea5p m\u1ed9t b\u1ea3n \u0111\u1ed3 c\u1ea5p cao v\u1ec1 <em>ai<\/em>t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng v\u00e0 <em>c\u00e1i g\u00ec<\/em>h\u1ecd c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c, m\u00e0 kh\u00f4ng sa \u0111\u00e0 v\u00e0o c\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt \u201cnh\u01b0 th\u1ebf n\u00e0o\u201d.<\/p>\n<p><img alt=\"Infographic minh h\u1ecda c\u00e1ch bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng gi\u00fap th\u1ed1ng nh\u1ea5t c\u00e1c b\u00ean li\u00ean quan trong Agile, x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi v\u00e0 th\u00fac \u0111\u1ea9y c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u00e0 kh\u00f4ng c\u1ea7n chi ti\u1ebft tri\u1ec3n khai k\u1ef9 thu\u1eadt.\" class=\"alignnone size-full wp-image-21510\" decoding=\"async\" height=\"941\" loading=\"lazy\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/10\/img_6ac4c14bc7a95.png\" srcset=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/10\/img_6ac4c14bc7a95.png 1672w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/10\/img_6ac4c14bc7a95-300x169.png 300w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/10\/img_6ac4c14bc7a95-1024x576.png 1024w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/10\/img_6ac4c14bc7a95-768x432.png 768w, https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/10\/img_6ac4c14bc7a95-1536x864.png 1536w\" width=\"1672\"\/><\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho nh\u1eefng ng\u01b0\u1eddi m\u1edbi ho\u00e0n to\u00e0n v\u00e0 c\u00e1c nh\u00e0 th\u1ef1c h\u00e0nh Agile mu\u1ed1n t\u1eadn d\u1ee5ng bi\u1ec3u \u0111\u1ed3 use case \u0111\u1ec3 l\u00e0m r\u00f5 y\u00eau c\u1ea7u, x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00ednh n\u0103ng c\u00f2n thi\u1ebfu v\u00e0 tinh g\u1ecdn quy tr\u00ecnh tinh ch\u1ec9nh backlog c\u1ee7a h\u1ecd b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <strong>Visual Paradigm<\/strong>.<\/p>\n<hr\/>\n<h2>\ud83d\udcd8 Bi\u1ec3u \u0111\u1ed3 Use Case l\u00e0 g\u00ec? (B\u1ee9c tranh t\u1ed5ng th\u1ec3)<\/h2>\n<p>M\u1ed9t <strong>bi\u1ec3u \u0111\u1ed3 use case<\/strong>\u1edf m\u1ee9c \u0111\u1ed9 \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 s\u1ef1 bi\u1ec3u di\u1ec5n t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u1edbi h\u1ec7 th\u1ed1ng, th\u1ec3 hi\u1ec7n m\u1ed1i quan h\u1ec7 gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c <a href=\"https:\/\/en.wikipedia.org\/wiki\/Use_case\" title=\"Use case\">use case<\/a>m\u00e0 ng\u01b0\u1eddi d\u00f9ng tham gia. M\u1ed9t <a href=\"https:\/\/en.wikipedia.org\/wiki\/Unified_Modeling_Language\">UML<\/a>bi\u1ec3u \u0111\u1ed3 use case UML l\u00e0 h\u00ecnh th\u1ee9c ch\u00ednh c\u1ee7a c\u00e1c y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng\/ph\u1ea7n m\u1ec1m cho m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea7n m\u1ec1m m\u1edbi \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n.<br \/>\n<img alt=\"Bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng trong ph\u00e2n c\u1ea5p bi\u1ec3u \u0111\u1ed3 UML\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/01-use-case-diagram-in-uml-hierarchy.png\"\/><\/p>\n<blockquote>\n<p>\ud83d\udca1 <strong>B\u00e0i h\u1ecdc quan tr\u1ecdng t\u1eeb kinh nghi\u1ec7m<\/strong>: C\u00e1c use case ch\u1ec9 \u0111\u1ecbnh <em>h\u00e0nh vi mong \u0111\u1ee3i<\/em> (c\u00e1i g\u00ec), ch\u1ee9 kh\u00f4ng ph\u1ea3i ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh x\u00e1c \u0111\u1ec3 th\u1ef1c hi\u1ec7n n\u00f3 (nh\u01b0 th\u1ebf n\u00e0o). S\u1ef1 t\u00e1ch bi\u1ec7t n\u00e0y ch\u00ednh l\u00e0 \u0111i\u1ec1u khi\u1ebfn ch\u00fang tr\u1edf n\u00ean v\u00f4 c\u00f9ng gi\u00e1 tr\u1ecb trong giao ti\u1ebfp v\u1edbi c\u00e1c b\u00ean li\u00ean quan.<\/p>\n<\/blockquote>\n<h3>Nh\u1eefng \u0111i\u1ec1u m\u00e0 Bi\u1ec3u \u0111\u1ed3 Use Case l\u00e0m t\u1ed1t:<\/h3>\n<ul>\n<li>\n<p>\ud83c\udfaf Cung c\u1ea5p g\u00f3c nh\u00ecn c\u1ea5p cao, t\u1eeb ph\u00eda ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i v\u1ec1 ch\u1ee9c n\u0103ng h\u1ec7 th\u1ed1ng<\/p>\n<\/li>\n<li>\n<p>\ud83d\udde3\ufe0f T\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho c\u00e1c cu\u1ed9c tr\u00f2 chuy\u1ec7n gi\u1eefa c\u00e1c b\u00ean li\u00ean quan k\u1ef9 thu\u1eadt v\u00e0 phi k\u1ef9 thu\u1eadt<\/p>\n<\/li>\n<li>\n<p>\ud83e\udded \u0110\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t \u201cb\u1ea3n thi\u1ebft k\u1ebf\u201d cho nh\u1eefng g\u00ec h\u1ec7 th\u1ed1ng th\u1ef1c s\u1ef1 ph\u1ea3i l\u00e0m<\/p>\n<\/li>\n<li>\n<p>\ud83d\udd17 Li\u00ean k\u1ebft \u0111\u1ebfn c\u00e1c t\u00e0i li\u1ec7u chi ti\u1ebft, bi\u1ec3u \u0111\u1ed3 tr\u00ecnh t\u1ef1 ho\u1eb7c c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng<\/p>\n<\/li>\n<\/ul>\n<h3>Nh\u1eefng \u0111i\u1ec1u h\u1ecd kh\u00f4ng hi\u1ec3n th\u1ecb (v\u00e0 \u0111i\u1ec1u \u0111\u00f3 \u1ed5n):<\/h3>\n<ul>\n<li>\n<p>\u274c Th\u1ee9 t\u1ef1 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau<\/p>\n<\/li>\n<li>\n<p>\u274c Lu\u1ed3ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng chi ti\u1ebft ho\u1eb7c l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/p>\n<\/li>\n<li>\n<p>\u274c Logic tri\u1ec3n khai ho\u1eb7c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a thu\u1eadt to\u00e1n<\/p>\n<\/li>\n<\/ul>\n<blockquote>\n<p>\u26a0\ufe0f <strong>C\u1ea3nh b\u00e1o cho ng\u01b0\u1eddi th\u1ef1c h\u00e0nh<\/strong>: N\u1ebfu bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee7a b\u1ea1n ch\u1ee9a h\u01a1n 20 tr\u01b0\u1eddng h\u1ee3p, c\u00f3 th\u1ec3 b\u1ea1n \u0111ang s\u1eed d\u1ee5ng n\u00f3 kh\u00f4ng \u0111\u00fang c\u00e1ch. H\u00e3y gi\u1eef cho n\u00f3 \u0111\u01a1n gi\u1ea3n. S\u1eed d\u1ee5ng c\u00e1c g\u00f3i \u0111\u1ec3 nh\u00f3m c\u00e1c ch\u1ee9c n\u0103ng li\u00ean quan. H\u00e3y \u0111\u1ec3 c\u00e1c bi\u1ec3u \u0111\u1ed3 kh\u00e1c x\u1eed l\u00fd c\u00e1c chi ti\u1ebft.<\/p>\n<\/blockquote>\n<hr\/>\n<h2>\ud83e\udde9 C\u00e1c kh\u00e1i ni\u1ec7m v\u00e0 k\u00fd hi\u1ec7u ch\u00ednh: H\u01b0\u1edbng d\u1eabn tham kh\u1ea3o tr\u1ef1c quan<\/h2>\n<p>Tr\u01b0\u1edbc khi v\u1ebd, b\u1ea1n c\u1ea7n hi\u1ec3u c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 k\u00fd hi\u1ec7u. M\u1ed7i ph\u1ea7n t\u1eed bao g\u1ed3m \u0111o\u1ea1n tr\u00edch t\u1eeb quy chu\u1ea9n UML ch\u00ednh th\u1ee9c c\u1ee7a OMG d\u00e0nh cho nh\u1eefng ai c\u1ea7n \u0111\u1ed9 ch\u00ednh x\u00e1c h\u00ecnh th\u1ee9c, nh\u01b0ng ch\u00fang ta s\u1ebd t\u1eadp trung v\u00e0o \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a ch\u00fang trong c\u00e1c ng\u1eef c\u1ea3nh Agile.<\/p>\n<p><img alt=\"Bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML m\u1eabu\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/sample_use_case_diagram_19967.png\"\/><\/p>\n<table>\n<thead>\n<tr>\n<th>Bi\u1ec3u t\u01b0\u1ee3ng<\/th>\n<th>T\u00ean<\/th>\n<th>M\u1ee5c \u0111\u00edch &amp; Ghi ch\u00fa th\u1ef1c t\u1ebf c\u1ee7a t\u00f4i<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><img alt=\"H\u00ecnh b\u1ea7u d\u1ee5c m\u00e0u xanh lam \u0111\u1ea1i di\u1ec7n cho m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng trong bi\u1ec3u \u0111\u1ed3 UML, minh h\u1ecda ch\u1ee9c n\u0103ng h\u1ec7 th\u1ed1ng t\u1eeb g\u00f3c \u0111\u1ed9 ng\u01b0\u1eddi d\u00f9ng.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_use_case_icon_19877.png\"\/><\/td>\n<td><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/84257_usecasediagr.html#uml-use-case\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a><\/td>\n<td>\u0110\u1ea1i di\u1ec7n cho m\u1ee5c ti\u00eau c\u1ee7a ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua h\u1ec7 th\u1ed1ng. <em>M\u1eb9o hay: \u0110\u1eb7t t\u00ean cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng d\u01b0\u1edbi d\u1ea1ng c\u1ee5m \u0111\u1ed9ng t\u1eeb-danh t\u1eeb nh\u01b0 &#8216;\u0110\u1eb7t h\u00e0ng&#8217; ho\u1eb7c &#8216;T\u1ea1o b\u00e1o c\u00e1o&#8217; \u0111\u1ec3 r\u00f5 r\u00e0ng h\u01a1n.<\/em><\/td>\n<\/tr>\n<tr>\n<td><img alt=\"\u0110\u01b0\u1eddng li\u1ec1n n\u1ed1i m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u1edbi m\u1ed9t t\u00e1c nh\u00e2n, \u0111\u1ea1i di\u1ec7n cho m\u1ed9t m\u1ed1i quan h\u1ec7 li\u00ean k\u1ebft trong bi\u1ec3u \u0111\u1ed3 UML \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi h\u1ec7 th\u1ed1ng Agile.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_association_icon_19878.png\"\/><\/td>\n<td><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/84257_usecasediagr.html#uml-association\">Li\u00ean k\u1ebft<\/a><\/td>\n<td>K\u1ebft n\u1ed1i c\u00e1c vai tr\u00f2 v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u00e0 h\u1ecd tham gia. Th\u1ec3 hi\u1ec7n s\u1ef1 t\u01b0\u01a1ng t\u00e1c, kh\u00f4ng ph\u1ea3i lu\u1ed3ng d\u1eef li\u1ec7u.<\/td>\n<\/tr>\n<tr>\n<td><img alt=\"Bi\u1ec3u t\u01b0\u1ee3ng ng\u01b0\u1eddi que m\u00e0u xanh lam UML \u0111\u1ea1i di\u1ec7n cho m\u1ed9t t\u00e1c nh\u00e2n, m\u1ed9t k\u00fd hi\u1ec7u quan tr\u1ecdng trong bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u1ef1c quan h\u00f3a h\u00e0nh vi h\u1ec7 th\u1ed1ng v\u00e0 t\u01b0\u01a1ng t\u00e1c ng\u01b0\u1eddi d\u00f9ng.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_actor_icon_19879.png\"\/><\/td>\n<td><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/84257_usecasediagr.html#uml-actor\">Vai tr\u00f2<\/a><\/td>\n<td>Th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng. <em>H\u00e3y nh\u1edb: Vai tr\u00f2 \u0111\u1ea1i di\u1ec7n cho c\u00e1c ch\u1ee9c n\u0103ng (v\u00ed d\u1ee5: &#8216;Kh\u00e1ch h\u00e0ng&#8217;), kh\u00f4ng ph\u1ea3i nh\u1eefng ng\u01b0\u1eddi c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: &#8216;John Doe&#8217;).<\/em><\/td>\n<\/tr>\n<tr>\n<td><img alt=\"Bi\u1ec3u t\u01b0\u1ee3ng b\u1ea3ng k\u1eb9p m\u00e0u xanh lam c\u00f3 thanh \u0111en \u0111\u1ea1i di\u1ec7n cho m\u1ed9t ph\u1ea7n t\u1eed k\u00fd hi\u1ec7u h\u1ec7 th\u1ed1ng UML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng Agile.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_system_icon_19880.png\"\/><\/td>\n<td><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/84257_usecasediagr.html#uml-system\">H\u1ec7 th\u1ed1ng<\/a><\/td>\n<td>Bi\u00ean gi\u1edbi c\u1ee7a h\u1ec7 th\u1ed1ng. C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u1eb1m b\u00ean trong; c\u00e1c vai tr\u00f2 \u1edf b\u00ean ngo\u00e0i. L\u00e0m r\u00f5 ph\u1ea1m vi.<\/td>\n<\/tr>\n<tr>\n<td><img alt=\"K\u00fd hi\u1ec7u quan h\u1ec7 bao g\u1ed3m UML hi\u1ec3n th\u1ecb m\u0169i t\u00ean \u0111\u1ee9t n\u00e9t v\u1edbi k\u00fd hi\u1ec7u \u00abinclude\u00bb, ch\u1ec9 ra r\u1eb1ng m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u1edf r\u1ed9ng m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_include_icon_19881.png\"\/><\/td>\n<td><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/84257_usecasediagr.html#uml-include\">Bao g\u1ed3m<\/a><\/td>\n<td>T\u00e1i s\u1eed d\u1ee5ng h\u00e0nh vi b\u1eaft bu\u1ed9c. Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 s\u1edf <em>lu\u00f4n<\/em>th\u1ef1c thi tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c bao g\u1ed3m.<\/td>\n<\/tr>\n<tr>\n<td><img alt=\"K\u00fd hi\u1ec7u quan h\u1ec7 m\u1edf r\u1ed9ng UML hi\u1ec3n th\u1ecb m\u0169i t\u00ean \u0111\u1ee9t n\u00e9t v\u1edbi \u0111\u1ea7u m\u0169i t\u00ean m\u1edf v\u00e0 nh\u00e3n k\u00fd hi\u1ec7u \u00abextend\u00bb.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_extend_icon_19882.png\"\/><\/td>\n<td><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/84257_usecasediagr.html#uml-extend\">M\u1edf r\u1ed9ng<\/a><\/td>\n<td>H\u00e0nh vi t\u00f9y ch\u1ecdn\/\u0111i\u1ec1u ki\u1ec7n. Ph\u1ea7n m\u1edf r\u1ed9ng ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c thi trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 t\u1ea1i c\u00e1c \u0111i\u1ec3m m\u1edf r\u1ed9ng \u0111\u00e3 x\u00e1c \u0111\u1ecbnh.<\/td>\n<\/tr>\n<tr>\n<td><img alt=\"\u0110\u01b0\u1eddng \u0111\u1ee9t n\u00e9t c\u00f3 \u0111\u1ea7u m\u0169i t\u00ean \u0111\u1ea1i di\u1ec7n cho m\u1ed1i quan h\u1ec7 ph\u1ee5 thu\u1ed9c UML gi\u1eefa c\u00e1c ph\u1ea7n t\u1eed h\u1ec7 th\u1ed1ng.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_dependency_icon_19883.png\"\/><\/td>\n<td><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/84257_usecasediagr.html#uml-dependency\">Ph\u1ee5 thu\u1ed9c<\/a><\/td>\n<td>M\u1ed9t ph\u1ea7n t\u1eed d\u1ef1a v\u00e0o ph\u1ea7n t\u1eed kh\u00e1c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ho\u1eb7c tri\u1ec3n khai. H\u00e3y s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch ti\u1ebft ki\u1ec7m trong c\u00e1c bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/td>\n<\/tr>\n<tr>\n<td><img alt=\"K\u00fd hi\u1ec7u t\u1ed5ng qu\u00e1t h\u00f3a UML: \u0111\u01b0\u1eddng li\u1ec1n c\u00f3 \u0111\u1ea7u m\u0169i t\u00ean tam gi\u00e1c r\u1ed7ng ch\u1ec9 ra m\u1ed1i quan h\u1ec7 th\u1eeba k\u1ebf gi\u1eefa c\u00e1c l\u1edbp.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_generalization_icon_19884.png\"\/><\/td>\n<td><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/84257_usecasediagr.html#uml-generalization\">T\u1ed5ng qu\u00e1t h\u00f3a<\/a><\/td>\n<td>M\u1ed1i quan h\u1ec7 th\u1eeba k\u1ebf. B\u1ed9 ph\u00e2n lo\u1ea1i c\u1ee5 th\u1ec3 th\u1eeba k\u1ebf c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i t\u1ed5ng qu\u00e1t.<\/td>\n<\/tr>\n<tr>\n<td><img alt=\"M\u0169i t\u00ean tam gi\u00e1c m\u00e0u xanh lam v\u1edbi \u0111\u01b0\u1eddng \u0111\u1ee9t n\u00e9t ghi nh\u00e3n Th\u1ef1c hi\u1ec7n, ch\u1ec9 ra m\u1ed1i ph\u1ee5 thu\u1ed9c gi\u1eefa giao di\u1ec7n v\u00e0 tri\u1ec3n khai trong bi\u1ec3u \u0111\u1ed3 UML.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_realization_icon_19885.png\"\/><\/td>\n<td><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/84257_usecasediagr.html#uml-realization\">Hi\u1ec7n th\u1ef1c h\u00f3a<\/a><\/td>\n<td>Li\u00ean k\u1ebft m\u1ed9t b\u1ea3n \u0111\u1eb7c t\u1ea3 v\u1edbi c\u00e1ch th\u1ef1c hi\u1ec7n c\u1ee7a n\u00f3. Th\u01b0\u1eddng g\u1eb7p h\u01a1n trong s\u01a1 \u0111\u1ed3 l\u1edbp\/th\u00e0nh ph\u1ea7n.<\/td>\n<\/tr>\n<tr>\n<td><img alt=\"Bi\u1ec3u t\u01b0\u1ee3ng c\u1ed9ng t\u00e1c UML m\u00e0u xanh lam v\u1edbi c\u00e1c c\u1ea1nh h\u00ecnh s\u00f3ng, \u0111\u1ea1i di\u1ec7n cho vi\u1ec7c tr\u1ef1c quan h\u00f3a h\u00e0nh vi h\u1ec7 th\u1ed1ng cho c\u00e1c nh\u00f3m Agile.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_collaboration_icon_19886.png\"\/><\/td>\n<td><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/84257_usecasediagr.html#uml-collaboration\">H\u1ee3p t\u00e1c<\/a><\/td>\n<td>M\u00f4 t\u1ea3 c\u00e1ch c\u00e1c vai tr\u00f2 h\u1ee3p t\u00e1c \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ee9c n\u0103ng. Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a c\u00e1c chi ti\u1ebft v\u1ec1 th\u1ec3 hi\u1ec7n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h3>\ud83d\udd0d \u0110i s\u00e2u: Gi\u1ea3i th\u00edch c\u00e1c k\u00fd hi\u1ec7u c\u1ed1t l\u00f5i<\/h3>\n<h4>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h4>\n<p><img alt=\"Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_use_case_19887.png\"\/><br \/>\nM\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ea1i di\u1ec7n cho m\u1ee5c ti\u00eau c\u1ee7a ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch truy c\u1eadp h\u1ec7 th\u1ed1ng ho\u1eb7c \u1ee9ng d\u1ee5ng ph\u1ea7n m\u1ec1m. Trong Visual Paradigm, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00ednh n\u0103ng s\u01a1 \u0111\u1ed3 con \u0111\u1ec3 m\u00f4 t\u1ea3 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng trong m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng b\u1eb1ng c\u00e1ch t\u1ea1o m\u1ed9t s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 con d\u01b0\u1edbi m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 k\u1ecbch b\u1ea3n tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng b\u1eb1ng tr\u00ecnh so\u1ea1n th\u1ea3o D\u00f2ng s\u1ef1 ki\u1ec7n.<\/p>\n<blockquote>\n<p><strong>Quy c\u00e1ch UML c\u1ee7a OMG<\/strong>:<br \/>\n<em>\u201cM\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 b\u1ea3n \u0111\u1eb7c t\u1ea3 c\u1ee7a m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c h\u00e0nh \u0111\u1ed9ng do h\u1ec7 th\u1ed1ng th\u1ef1c hi\u1ec7n, t\u1ea1o ra m\u1ed9t k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c, th\u01b0\u1eddng c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ed1i v\u1edbi m\u1ed9t ho\u1eb7c nhi\u1ec1u vai tr\u00f2 ho\u1eb7c c\u00e1c b\u00ean li\u00ean quan kh\u00e1c c\u1ee7a h\u1ec7 th\u1ed1ng.\u201d<\/em><br \/>\n\u2014 Quy c\u00e1ch Si\u00eau c\u1ea5u tr\u00fac UML v2.4.1, trang 606<\/p>\n<\/blockquote>\n<h4>Vai tr\u00f2<\/h4>\n<p><img alt=\"T\u00e1c nh\u00e2n UML\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_actor_19892.png\"\/><br \/>\nC\u00e1c vai tr\u00f2 l\u00e0 c\u00e1c th\u1ef1c th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng. M\u1eb7c d\u00f9 trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, c\u00e1c vai tr\u00f2 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho ng\u01b0\u1eddi d\u00f9ng c\u1ee7a h\u1ec7 th\u1ed1ng, nh\u01b0ng th\u1ef1c t\u1ebf c\u00e1c vai tr\u00f2 c\u00f3 th\u1ec3 l\u00e0 b\u1ea5t k\u1ef3 th\u1ee9 g\u00ec c\u1ea7n trao \u0111\u1ed5i th\u00f4ng tin v\u1edbi h\u1ec7 th\u1ed1ng. V\u00ec v\u1eady, m\u1ed9t vai tr\u00f2 c\u00f3 th\u1ec3 l\u00e0 con ng\u01b0\u1eddi, ph\u1ea7n c\u1ee9ng m\u00e1y t\u00ednh, c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c, v.v.<\/p>\n<blockquote>\n<p><strong>Quy c\u00e1ch UML c\u1ee7a OMG<\/strong>:<br \/>\n<em>\u201cM\u1ed9t vai tr\u00f2 x\u00e1c \u0111\u1ecbnh m\u1ed9t vai tr\u00f2 do ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng n\u00e0o kh\u00e1c t\u01b0\u01a1ng t\u00e1c v\u1edbi ch\u1ee7 th\u1ec3 \u0111\u00f3ng\u2026 M\u1ed9t Vai tr\u00f2 m\u00f4 h\u00ecnh h\u00f3a m\u1ed9t lo\u1ea1i vai tr\u00f2 do m\u1ed9t th\u1ef1c th\u1ec3 \u0111\u00f3ng, th\u1ef1c th\u1ec3 n\u00e0y t\u01b0\u01a1ng t\u00e1c v\u1edbi ch\u1ee7 th\u1ec3 nh\u01b0ng n\u1eb1m ngo\u00e0i ch\u1ee7 th\u1ec3.\u201d<\/em><br \/>\n\u2014 Quy c\u00e1ch Si\u00eau c\u1ea5u tr\u00fac UML v2.4.1<\/p>\n<\/blockquote>\n<h4>Include so v\u1edbi Extend: S\u1ef1 kh\u00e1c bi\u1ec7t then ch\u1ed1t<\/h4>\n<p>M\u1ed9t trong nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u m\u1eafc ph\u1ea3i l\u00e0 nh\u1ea7m l\u1eabn gi\u1eefa<code data-backticks=\"1\">&lt;&lt;include&gt;&gt;<\/code> v\u00e0 <code data-backticks=\"1\">&lt;&lt;extend&gt;&gt;<\/code>. \u0110\u00e2y l\u00e0 quy t\u1eafc \u0111\u01a1n gi\u1ea3n:<\/p>\n<table>\n<thead>\n<tr>\n<th>M\u1ed1i quan h\u1ec7<\/th>\n<th>Khi n\u00e0o s\u1eed d\u1ee5ng<\/th>\n<th>H\u01b0\u1edbng<\/th>\n<th>Quy t\u1eafc ng\u00f3n tay c\u00e1i c\u1ee7a t\u00f4i<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong><code data-backticks=\"1\">&lt;&lt;include&gt;&gt;<\/code><\/strong><\/td>\n<td>Khi h\u00e0nh vi l\u00e0 <em>lu\u00f4n lu\u00f4n<\/em> \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/td>\n<td>C\u01a1 s\u1edf \u2192 \u0110\u01b0\u1ee3c bao g\u1ed3m<\/td>\n<td>\u201cB\u01b0\u1edbc n\u00e0y l\u00e0 b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi lu\u1ed3ng ch\u00ednh\u201d<\/td>\n<\/tr>\n<tr>\n<td><strong><code data-backticks=\"1\">&lt;&lt;m\u1edf r\u1ed9ng&gt;&gt;<\/code><\/strong><\/td>\n<td>Khi h\u00e0nh vi l\u00e0 <em>c\u00f3 \u0111i\u1ec1u ki\u1ec7n ho\u1eb7c t\u00f9y ch\u1ecdn<\/em><\/td>\n<td>M\u1edf r\u1ed9ng \u2192 C\u01a1 s\u1edf<\/td>\n<td>\u201c\u0110i\u1ec1u n\u00e0y ch\u1ec9 x\u1ea3y ra n\u1ebfu \u0111i\u1ec1u ki\u1ec7n X \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng\u201d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img alt=\"UML bao g\u1ed3m\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_include_19894.png\"\/><br \/>\n<img alt=\"UML m\u1edf r\u1ed9ng\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/uml_extend_19895.png\"\/><\/p>\n<blockquote>\n<p>\ud83d\udca1 <strong>V\u00ed d\u1ee5 th\u1ef1c t\u1ebf<\/strong>:<\/p>\n<ul>\n<li>\n<p><code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code> <strong>bao g\u1ed3m<\/strong> <code data-backticks=\"1\">X\u00e1c minh thanh to\u00e1n<\/code> (lu\u00f4n lu\u00f4n b\u1eaft bu\u1ed9c)<\/p>\n<\/li>\n<li>\n<p><code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code> <strong>c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng b\u1edfi<\/strong> <code data-backticks=\"1\">\u00c1p d\u1ee5ng m\u00e3 gi\u1ea3m gi\u00e1<\/code> (ch\u1ec9 khi ng\u01b0\u1eddi d\u00f9ng c\u00f3 m\u00e3)<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<hr\/>\n<h2>\ud83d\udee0\ufe0f C\u00e1ch v\u1ebd s\u01a1 \u0111\u1ed3 Use Case: Quy tr\u00ecnh Visual Paradigm c\u1ee7a t\u00f4i<\/h2>\n<p>Sau khi th\u1eed nghi\u1ec7m nhi\u1ec1u c\u00f4ng c\u1ee5 UML, t\u00f4i \u0111\u00e3 ch\u1ecdn Visual Paradigm nh\u1edd s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa t\u00ednh nghi\u00eam ng\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng. \u0110\u00e2y l\u00e0 quy tr\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng th\u1ef1c t\u1ebf c\u1ee7a t\u00f4i d\u00e0nh cho c\u00e1c nh\u00f3m Agile:<\/p>\n<h3>B\u01b0\u1edbc 1: T\u1ea1o s\u01a1 \u0111\u1ed3<\/h3>\n<ol>\n<li>\n<p>Ch\u1ecdn <strong>S\u01a1 \u0111\u1ed3 &gt; M\u1edbi<\/strong> t\u1eeb thanh c\u00f4ng c\u1ee5 \u1ee9ng d\u1ee5ng.<\/p>\n<\/li>\n<li>\n<p>Trong <strong>S\u01a1 \u0111\u1ed3 M\u1edbi<\/strong> c\u1eeda s\u1ed5, ch\u1ecdn <strong>Bi\u1ec3u \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong>.<\/p>\n<\/li>\n<li>\n<p>Nh\u1ea5p v\u00e0o <strong>Ti\u1ebfp theo<\/strong>.<\/p>\n<\/li>\n<li>\n<p>Nh\u1eadp t\u00ean v\u00e0 m\u00f4 t\u1ea3 bi\u1ec3u \u0111\u1ed3. Tr\u01b0\u1eddng <strong>V\u1ecb tr\u00ed<\/strong> cho ph\u00e9p b\u1ea1n ch\u1ecdn m\u1ed9t m\u00f4 h\u00ecnh \u0111\u1ec3 l\u01b0u tr\u1eef bi\u1ec3u \u0111\u1ed3.<\/p>\n<\/li>\n<li>\n<p>Nh\u1ea5p v\u00e0o <strong>OK<\/strong>.<\/p>\n<\/li>\n<\/ol>\n<h3>B\u01b0\u1edbc 2: X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi h\u1ec7 th\u1ed1ng<\/h3>\n<p>\u0110\u1ec3 t\u1ea1o m\u1ed9t h\u1ec7 th\u1ed1ng trong bi\u1ec3u \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, h\u00e3y ch\u1ecdn <strong>H\u1ec7 th\u1ed1ng<\/strong> tr\u00ean thanh c\u00f4ng c\u1ee5 bi\u1ec3u \u0111\u1ed3, sau \u0111\u00f3 nh\u1ea5p v\u00e0o n\u00f3 tr\u00ean v\u00f9ng bi\u1ec3u \u0111\u1ed3. Cu\u1ed1i c\u00f9ng, \u0111\u1eb7t t\u00ean cho h\u1ec7 th\u1ed1ng m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o khi n\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o ra.<br \/>\n<img alt=\"T\u1ea1o h\u1ec7 th\u1ed1ng\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/create_a_system_25217.png\"\/><\/p>\n<blockquote>\n<p>\u2705 <strong>Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/strong>: \u0110\u1eb7t t\u00ean cho h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng (v\u00ed d\u1ee5: &#8220;N\u1ec1n t\u1ea3ng Th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed&#8221; thay v\u00ec &#8220;H\u1ec7 th\u1ed1ng1&#8221;). \u0110i\u1ec1u n\u00e0y s\u1ebd tr\u1edf th\u00e0nh \u0111i\u1ec3m neo ph\u1ea1m vi c\u1ee7a b\u1ea1n.<\/p>\n<\/blockquote>\n<h3>B\u01b0\u1edbc 3: Th\u00eam vai tr\u00f2<\/h3>\n<p>\u0110\u1ec3 v\u1ebd m\u1ed9t vai tr\u00f2 trong bi\u1ec3u \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, h\u00e3y ch\u1ecdn <strong>Vai tr\u00f2<\/strong> tr\u00ean thanh c\u00f4ng c\u1ee5 bi\u1ec3u \u0111\u1ed3, sau \u0111\u00f3 nh\u1ea5p v\u00e0o n\u00f3 tr\u00ean v\u00f9ng bi\u1ec3u \u0111\u1ed3. Cu\u1ed1i c\u00f9ng, \u0111\u1eb7t t\u00ean cho vai tr\u00f2 m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o khi n\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o ra.<br \/>\n<img alt=\"T\u1ea1o m\u1ed9t t\u00e1c nh\u00e2n\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/creatre_an_actor_25218.png\"\/><\/p>\n<blockquote>\n<p>\ud83c\udfaf <strong>M\u1eb9o chuy\u00ean nghi\u1ec7p<\/strong>: B\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c vai tr\u00f2 ch\u00ednh (nh\u1eefng ng\u01b0\u1eddi kh\u1edfi t\u1ea1o c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng), sau \u0111\u00f3 th\u00eam c\u00e1c vai tr\u00f2 ph\u1ee5 (c\u00e1c h\u1ec7 th\u1ed1ng ho\u1eb7c vai tr\u00f2 h\u1ed7 tr\u1ee3).<\/p>\n<\/blockquote>\n<h3>B\u01b0\u1edbc 4: T\u1ea1o c\u00e1c Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng (C\u00e1ch th\u00f4ng minh)<\/h3>\n<p>Ngo\u00e0i vi\u1ec7c t\u1ea1o m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng qua thanh c\u00f4ng c\u1ee5 bi\u1ec3u \u0111\u1ed3, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o n\u00f3 qua Danh m\u1ee5c T\u00e0i nguy\u00ean:<\/p>\n<ol>\n<li>\n<p>Di chuy\u1ec3n con tr\u1ecf chu\u1ed9t v\u00e0o m\u1ed9t h\u00ecnh d\u1ea1ng ngu\u1ed3n (v\u00ed d\u1ee5: m\u1ed9t vai tr\u00f2).<\/p>\n<\/li>\n<li>\n<p>Nh\u1ea5n v\u00e0o <strong>Danh m\u1ee5c T\u00e0i nguy\u00ean<\/strong> n\u00fat v\u00e0 k\u00e9o n\u00f3 ra.<img alt=\"S\u00e1ch tra t\u00e0i nguy\u00ean\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/resource_catalog_26845.png\"\/><\/p>\n<\/li>\n<li>\n<p>Nh\u1ea3 chu\u1ed9t khi n\u00f3 \u0111\u1ebfn v\u1ecb tr\u00ed b\u1ea1n mong mu\u1ed1n.<\/p>\n<\/li>\n<li>\n<p>Ch\u1ecdn <strong>Li\u00ean k\u1ebft -&gt; Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong> t\u1eeb Danh m\u1ee5c T\u00e0i nguy\u00ean.<img alt=\"\u0110\u1ec3 t\u1ea1o m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/create_use_case_from_resource_catalog_26846.png\"\/><\/p>\n<\/li>\n<li>\n<p>H\u00ecnh d\u1ea1ng ngu\u1ed3n v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. Cu\u1ed1i c\u00f9ng, h\u00e3y \u0111\u1eb7t t\u00ean cho tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o.<img alt=\"Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/use_case_created_26847.png\"\/><\/p>\n<\/li>\n<\/ol>\n<h3>B\u01b0\u1edbc 5: X\u1eed l\u00fd t\u00ean Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng d\u00e0i<\/h3>\n<p>N\u1ebfu m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng qu\u00e1 r\u1ed9ng, b\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc b\u1eb1ng c\u00e1ch k\u00e9o c\u00e1c b\u1ed9 ch\u1ecdn \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1n \u0111\u1ec3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed1t h\u01a1n. K\u1ebft qu\u1ea3 l\u00e0, t\u00ean c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng s\u1ebd \u0111\u01b0\u1ee3c xu\u1ed1ng d\u00f2ng t\u1ef1 \u0111\u1ed9ng.<br \/>\n<img alt=\"Thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/resize_use_case_26850.png\"\/><\/p>\n<blockquote>\n<p>\u2328\ufe0f <strong>Ph\u00edm t\u1eaft<\/strong>: Nh\u1ea5n <strong>Alt + Enter<\/strong> \u0111\u1ec3 bu\u1ed9c xu\u1ed1ng d\u00f2ng th\u1ee7 c\u00f4ng.<\/p>\n<\/blockquote>\n<h3>B\u01b0\u1edbc 6: Th\u00eam quan h\u1ec7 &lt;&gt; v\u00e0 &lt;&gt;<\/h3>\n<p><strong>\u0110\u1ed1i v\u1edbi M\u1edf r\u1ed9ng<\/strong>:<\/p>\n<ol>\n<li>\n<p>Di chu\u1ed9t v\u00e0o m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, nh\u1ea5n v\u00e0 k\u00e9o ra <strong>Danh m\u1ee5c T\u00e0i nguy\u00ean<\/strong> n\u00fat.<\/p>\n<\/li>\n<li>\n<p>Nh\u1ea3 chu\u1ed9t t\u1ea1i v\u1ecb tr\u00ed mong mu\u1ed1n v\u00e0 ch\u1ecdn <strong>M\u1edf r\u1ed9ng -&gt; Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u0110\u1eb7t t\u00ean cho tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u1edbi v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m m\u1edf r\u1ed9ng.<\/p>\n<\/li>\n<\/ol>\n<p><img alt=\"T\u1ea1o m\u1ed9t quan h\u1ec7 m\u1edf r\u1ed9ng\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/extend_relationship_26848.png\"\/><br \/>\n<strong>\u0110\u1ed1i v\u1edbi Bao g\u1ed3m<\/strong>:<\/p>\n<ol>\n<li>\n<p>C\u00f9ng ph\u01b0\u01a1ng ph\u00e1p k\u00e9o t\u1eeb Danh m\u1ee5c T\u00e0i nguy\u00ean.<\/p>\n<\/li>\n<li>\n<p>Ch\u1ecdn <strong>Bao g\u1ed3m -&gt; Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong>.<\/p>\n<\/li>\n<li>\n<p>\u0110\u1eb7t t\u00ean cho tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c bao g\u1ed3m.<\/p>\n<\/li>\n<\/ol>\n<p><img alt=\"Quan h\u1ec7 bao g\u1ed3m \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/include_relationship_26849.png\"\/><\/p>\n<h3>B\u01b0\u1edbc 7: S\u1eafp x\u1ebfp b\u1eb1ng g\u00f3i (khi c\u1ea7n)<\/h3>\n<p>B\u1ea1n c\u00f3 th\u1ec3 t\u1ed5 ch\u1ee9c c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng b\u1eb1ng g\u00f3i khi c\u00f3 nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p tr\u00ean s\u01a1 \u0111\u1ed3.<\/p>\n<ol>\n<li>\n<p>Ch\u1ecdn <strong>G\u00f3i<\/strong> tr\u00ean thanh c\u00f4ng c\u1ee5 s\u01a1 \u0111\u1ed3.<\/p>\n<p><img alt=\"T\u1ea1o m\u1ed9t g\u00f3i\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/create_a_package_25011.png\"\/><\/p>\n<\/li>\n<li>\n<p>K\u00e9o chu\u1ed9t \u0111\u1ec3 t\u1ea1o m\u1ed9t g\u00f3i bao quanh c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u00f3.<\/p>\n<p><img alt=\"\u0110\u00f3ng g\u00f3i c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng b\u1eb1ng m\u1ed9t g\u00f3i\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/cover_use_cases_904.png\"\/><\/p>\n<\/li>\n<li>\n<p>Cu\u1ed1i c\u00f9ng, \u0111\u1eb7t t\u00ean cho g\u00f3i.<\/p>\n<p><img alt=\"\u0110\u1eb7t t\u00ean cho g\u00f3i\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/rename_package_905.png\"\/><\/p>\n<\/li>\n<\/ol>\n<h3>M\u1eb9o th\u00eam: Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kinh doanh<\/h3>\n<p>C\u00f4ng c\u1ee5 v\u1ebd s\u01a1 \u0111\u1ed3 UML c\u0169ng h\u1ed7 tr\u1ee3 bi\u1ec3u di\u1ec5n t\u00e1c nh\u00e2n kinh doanh v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. \u0110\u1ec3 hi\u1ec3n th\u1ecb m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng d\u01b0\u1edbi d\u1ea1ng tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kinh doanh:<\/p>\n<ol>\n<li>\n<p>Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 ch\u1ecdn <strong>Thu\u1ed9c t\u00ednh ph\u1ea7n t\u1eed m\u00f4 h\u00ecnh &gt; M\u00f4 h\u00ecnh kinh doanh<\/strong>.<\/p>\n<p><img alt=\"Nh\u1ea5p v\u00e0o M\u00f4 h\u00ecnh Kinh doanh\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/click_business_model_25012.png\"\/><\/p>\n<\/li>\n<li>\n<p>Sau khi ch\u1ecdn, m\u1ed9t d\u1ea5u g\u1ea1ch ch\u00e9o b\u1ed5 sung s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u1edf c\u1ea1nh tr\u00e1i c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/p>\n<p><img alt=\"H\u00ecnh b\u1ea7u d\u1ee5c m\u00e0u xanh d\u01b0\u01a1ng c\u00f3 nh\u00e3n 'tr\u1ea3 h\u1ecdc ph\u00ed' v\u1edbi \u0111\u01b0\u1eddng ch\u00e9o \u1edf c\u1ea1nh tr\u00e1i, \u0111\u1ea1i di\u1ec7n cho m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kinh doanh trong s\u01a1 \u0111\u1ed3 UML.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/business_model_25013.png\"\/><\/p>\n<\/li>\n<\/ol>\n<hr\/>\n<h2>\ud83d\udcdd Thu th\u1eadp y\u00eau c\u1ea7u: Ghi ch\u00fa tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng &amp; quy tr\u00ecnh h\u1ecdp<\/h2>\n<p>M\u1ed9t t\u00ednh n\u0103ng \u0111\u00e3 thay \u0111\u1ed5i quy tr\u00ecnh thu th\u1eadp y\u00eau c\u1ea7u c\u1ee7a t\u00f4i: <strong>Ghi ch\u00fa tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong>. M\u1eb7c d\u00f9 g\u1eb7p g\u1ee1 ng\u01b0\u1eddi d\u00f9ng l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a vi\u1ec7c thu th\u1eadp y\u00eau c\u1ea7u, nh\u01b0ng nhi\u1ec1u cu\u1ed9c h\u1ecdp l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m r\u00f5 nh\u1eefng g\u00ec ng\u01b0\u1eddi d\u00f9ng th\u1ef1c s\u1ef1 mu\u1ed1n. Ghi ch\u00fa tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea1n ghi l\u1ea1i c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn trong c\u00e1c cu\u1ed9c h\u1ecdp thu th\u1eadp y\u00eau c\u1ea7u.<\/p>\n<h3>Truy c\u1eadp Ghi ch\u00fa tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n<ol>\n<li>\n<p>Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u2192 <strong>M\u1edf chi ti\u1ebft tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng\u2026<\/strong><\/p>\n<p><img alt=\"Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng trong s\u01a1 \u0111\u1ed3 v\u00e0 ch\u1ecdn 'M\u1edf chi ti\u1ebft tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng' t\u1eeb menu ng\u1eef c\u1ea3nh.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/open_use_case_details_25705.png\"\/><\/p>\n<\/li>\n<li>\n<p>M\u1edf tab <strong>Ghi ch\u00fa tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong>.<\/p>\n<p><img alt=\"Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ec3 m\u1edf chi ti\u1ebft, l\u00e0m n\u1ed5i b\u1eadt tab 'Ghi ch\u00fa tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng' \u0111\u1ec3 hi\u1ec3n th\u1ecb ghi ch\u00fa cho tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng 'Ph\u00e2n lo\u1ea1i s\u00e1ch tr\u1ea3 l\u1ea1i'.\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/open_use_case_notes_25706.png\"\/><\/p>\n<\/li>\n<\/ol>\n<h3>Nh\u1eadp ghi ch\u00fa c\u00f3 c\u1ea5u tr\u00fac<\/h3>\n<p>Sau khi m\u1edf, b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t m\u1eabu \u0111\u1ecbnh s\u1eb5n v\u1edbi b\u1ed1n \u0111i\u1ec3m: <strong>Quy tr\u00ecnh l\u00e0m vi\u1ec7c<\/strong>, <strong>Logic kinh doanh<\/strong>, <strong>Quy\u1ebft \u0111\u1ecbnh<\/strong>, v\u00e0 <strong>Theo d\u00f5i<\/strong>.<br \/>\n<img alt=\"Nh\u1eadp ghi ch\u00fa b\u1eb1ng c\u00e1ch tu\u00e2n theo m\u1eabu\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/entering_a_note_by_following_the_template_25798.png\"\/><\/p>\n<blockquote>\n<p>\u270f\ufe0f <strong>N\u00e2ng c\u1ea5p m\u1eabu c\u1ee7a t\u00f4i<\/strong>: T\u00f4i th\u00eam hai ph\u1ea7n t\u00f9y ch\u1ec9nh:<\/p>\n<ul>\n<li>\n<p><strong>M\u1ed1i quan t\u00e2m c\u1ee7a c\u00e1c b\u00ean li\u00ean quan<\/strong>: Ghi nh\u1eadn c\u00e1c ph\u1ea3n \u0111\u1ed1i ho\u1eb7c r\u1ee7i ro \u0111\u01b0\u1ee3c n\u00eau ra<\/p>\n<\/li>\n<li>\n<p><strong>Ti\u00eau ch\u00ed ch\u1ea5p nh\u1eadn<\/strong>: So\u1ea1n th\u1ea3o c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u00f3 th\u1ec3 ki\u1ec3m tra s\u1edbm<\/p>\n<\/li>\n<\/ul>\n<\/blockquote>\n<h3>L\u00e0m vi\u1ec7c v\u1edbi ghi ch\u00fa l\u1ed3ng nhau<\/h3>\n<p>C\u00e1c lo\u1ea1i \u00fd t\u01b0\u1edfng kh\u00e1c nhau li\u00ean quan \u0111\u1ebfn tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ghi l\u1ea1i b\u1eb1ng c\u00e1ch t\u1ea1o nhi\u1ec1u ghi ch\u00fa l\u1ed3ng nhau. Nh\u1ea5n <strong>Tab<\/strong> \u0111\u1ec3 th\u1ee5t l\u1ec1, <strong>Shift+Tab<\/strong> \u0111\u1ec3 gi\u1ea3m th\u1ee5t l\u1ec1.<br \/>\n<img alt=\"Ghi ch\u00fa l\u1ed3ng nhau\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/nested_notes_18986.png\"\/><\/p>\n<h3>\ud83d\ude80 T\u1eeb ghi ch\u00fa sang k\u1ecbch b\u1ea3n: Chuy\u1ec3n \u0111\u1ed5i m\u1ed9t c\u00fa nh\u1ea5p chu\u1ed9t<\/h3>\n<p>Khi c\u00e1c b\u00ean li\u00ean quan m\u00f4 t\u1ea3 c\u00e1c h\u00e0nh vi h\u1ec7 th\u1ed1ng mong mu\u1ed1n, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n ghi ch\u00fa th\u00e0nh c\u00e1c k\u1ecbch b\u1ea3n ch\u00ednh th\u1ee9c:<\/p>\n<ol>\n<li>\n<p>Di chu\u1ed9t qua m\u1ee5c ghi ch\u00fa cha ch\u1ee9a c\u00e1c m\u00f4 t\u1ea3 h\u00e0nh vi.<\/p>\n<p><img alt=\"Di chuy\u1ec3n con tr\u1ecf chu\u1ed9t qua m\u1ed9t m\u1ee5c ghi ch\u00fa\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/moving_mouse_pointer_over_a_note_term_25799.png\"\/><\/p>\n<\/li>\n<li>\n<p>Nh\u1ea5n v\u00e0o m\u0169i t\u00ean xu\u1ed1ng b\u00ean c\u1ea1nh d\u1ea5u ch\u1ea5m \u2192 <strong>Lu\u1ed3ng s\u1ef1 ki\u1ec7n &gt; Sang k\u1ecbch b\u1ea3n m\u1edbi<\/strong>.<\/p>\n<p><img alt=\"T\u1ea1o k\u1ecbch b\u1ea3n m\u1edbi\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/to_new_scenario_18988.png\"\/><\/p>\n<\/li>\n<li>\n<p>Xong: M\u1ed9t k\u1ecbch b\u1ea3n m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o ra v\u1edbi v\u0103n b\u1ea3n ghi ch\u00fa l\u00e0m t\u00ean k\u1ecbch b\u1ea3n v\u00e0 c\u00e1c ghi ch\u00fa con l\u00e0m c\u00e1c b\u01b0\u1edbc.<\/p>\n<p><img alt=\"K\u1ecbch b\u1ea3n \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/04\/scenario_produced_25800.png\"\/><\/p>\n<\/li>\n<\/ol>\n<blockquote>\n<p>\ud83d\udd01 <strong>Quy tr\u00ecnh l\u1eb7p l\u1ea1i m\u00e0 t\u00f4i s\u1eed d\u1ee5ng<\/strong>:<br \/>\nH\u1ecdp \u2192 Ghi ch\u00fa \u2192 K\u1ecbch b\u1ea3n d\u1ef1 th\u1ea3o \u2192 Xem x\u00e9t c\u1ee7a c\u00e1c b\u00ean li\u00ean quan \u2192 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng tinh ch\u1ec9nh \u2192 S\u01a1 \u0111\u1ed3 chu\u1ed7i li\u00ean k\u1ebft<\/p>\n<\/blockquote>\n<hr\/>\n<h2>\ud83c\udfaf K\u1ebft lu\u1eadn: Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng (v\u00e0 khi n\u00e0o n\u00ean b\u1ecf qua) s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h2>\n<p>Sau nhi\u1ec1u n\u0103m \u00e1p d\u1ee5ng s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng trong c\u00e1c d\u1ef1 \u00e1n kh\u1edfi nghi\u1ec7p v\u00e0 doanh nghi\u1ec7p, \u0111\u00e2y l\u00e0 l\u1eddi khuy\u00ean c\u00f4 \u0111\u1ecdng c\u1ee7a t\u00f4i d\u00e0nh cho c\u00e1c nh\u00f3m Agile:<\/p>\n<h3>\u2705 S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng khi:<\/h3>\n<ul>\n<li>\n<p>B\u1ea1n c\u1ea7n th\u1ed1ng nh\u1ea5t v\u1edbi c\u00e1c b\u00ean li\u00ean quan trong kinh doanh v\u00e0 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u1ec1 <em>c\u00e1i g\u00ec<\/em>h\u1ec7 th\u1ed1ng n\u00ean l\u00e0m<\/p>\n<\/li>\n<li>\n<p>B\u1ea1n \u0111ang t\u00e0i li\u1ec7u h\u00f3a ph\u1ea1m vi cho m\u1ed9t s\u1ea3n ph\u1ea9m m\u1edbi ho\u1eb7c m\u1ed9t b\u1ea3n ph\u00e1t h\u00e0nh t\u00ednh n\u0103ng l\u1edbn<\/p>\n<\/li>\n<li>\n<p>B\u1ea1n mu\u1ed1n x\u00e1c \u0111\u1ecbnh s\u1edbm c\u00e1c vai tr\u00f2 b\u1ecb thi\u1ebfu ho\u1eb7c c\u00e1c t\u01b0\u01a1ng t\u00e1c \u1edf tr\u01b0\u1eddng h\u1ee3p bi\u00ean<\/p>\n<\/li>\n<li>\n<p>B\u1ea1n \u0111ang chu\u1ea9n b\u1ecb c\u00e1c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng cho c\u00e1c sprint agile (use case = \u0111\u1ed9 h\u1ea1t m\u1ee9c epic)<\/p>\n<\/li>\n<\/ul>\n<h3>\u274c C\u00e2n nh\u1eafc c\u00e1c ph\u01b0\u01a1ng \u00e1n thay th\u1ebf khi:<\/h3>\n<ul>\n<li>\n<p>B\u1ea1n \u0111ang m\u00f4 h\u00ecnh h\u00f3a c\u00e1c t\u01b0\u01a1ng t\u00e1c n\u1ed9i b\u1ed9 mang t\u00ednh k\u1ef9 thu\u1eadt cao c\u1ee7a h\u1ec7 th\u1ed1ng (h\u00e3y th\u1eed bi\u1ec3u \u0111\u1ed3 th\u00e0nh ph\u1ea7n ho\u1eb7c bi\u1ec3u \u0111\u1ed3 tri\u1ec3n khai)<\/p>\n<\/li>\n<li>\n<p>B\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh h\u00e0nh vi th\u1eddi gian th\u1ef1c ho\u1eb7c t\u00ednh \u0111\u1ed3ng th\u1eddi (m\u00e1y tr\u1ea1ng th\u00e1i ho\u1eb7c bi\u1ec3u \u0111\u1ed3 tr\u00ecnh t\u1ef1 s\u1ebd t\u1ed1t h\u01a1n)<\/p>\n<\/li>\n<li>\n<p>\u0110\u1ed1i t\u01b0\u1ee3ng c\u1ee7a b\u1ea1n ch\u1ec9 l\u00e0 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n, nh\u1eefng ng\u01b0\u1eddi \u01b0u ti\u00ean c\u00e1c t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt d\u1ef1a tr\u00ean m\u00e3 ngu\u1ed3n<\/p>\n<\/li>\n<\/ul>\n<h3>Suy ngh\u0129 cu\u1ed1i c\u00f9ng:<\/h3>\n<p>Bi\u1ec3u \u0111\u1ed3 use case kh\u00f4ng nh\u1eb1m s\u1ef1 ho\u00e0n h\u1ea3o\u2014ch\u00fang nh\u1eb1m \u0111\u1ebfn <em>s\u1ef1 giao ti\u1ebfp<\/em>. M\u1ed9t bi\u1ec3u \u0111\u1ed3 h\u01a1i kh\u00f4ng ho\u00e0n h\u1ea3o nh\u01b0ng gi\u00fap m\u1ecdi ng\u01b0\u1eddi c\u00f9ng hi\u1ec3u m\u1ed9t v\u1ea5n \u0111\u1ec1 th\u00ec c\u00f3 gi\u00e1 tr\u1ecb v\u00f4 h\u1ea1n h\u01a1n m\u1ed9t bi\u1ec3u \u0111\u1ed3 &#8220;\u0111\u00fang&#8221; nh\u01b0ng l\u1ea1i n\u1eb1m im trong kho l\u01b0u tr\u1eef m\u00e0 kh\u00f4ng ai s\u1eed d\u1ee5ng.<\/p>\n<blockquote>\n<p>\ud83c\udf1f <strong>Quy t\u1eafc v\u00e0ng c\u1ee7a t\u00f4i<\/strong>: N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 gi\u1ea3i th\u00edch bi\u1ec3u \u0111\u1ed3 use case c\u1ee7a m\u00ecnh cho m\u1ed9t b\u00ean li\u00ean quan kh\u00f4ng chuy\u00ean v\u1ec1 k\u1ef9 thu\u1eadt trong v\u00f2ng 5 ph\u00fat, h\u00e3y \u0111\u01a1n gi\u1ea3n h\u00f3a n\u00f3 h\u01a1n n\u1eefa.<\/p>\n<\/blockquote>\n<p>H\u00e3y b\u1eaft \u0111\u1ea7u \u0111\u01a1n gi\u1ea3n. L\u1eb7p l\u1ea1i v\u1edbi ph\u1ea3n h\u1ed3i. H\u00e3y \u0111\u1ec3 bi\u1ec3u \u0111\u1ed3 ph\u00e1t tri\u1ec3n song song v\u1edbi s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a b\u1ea1n v\u1ec1 kh\u00f4ng gian v\u1ea5n \u0111\u1ec1. \u0110\u00f3 ch\u00ednh l\u00e0 c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a use case tr\u1edf th\u00e0nh m\u1ed9t l\u1ee3i th\u1ebf chi\u1ebfn l\u01b0\u1ee3c\u2014kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 t\u00e0i li\u1ec7u h\u00f3a.<\/p>\n<hr\/>\n<h2>\ud83d\udcda T\u00e0i nguy\u00ean \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t tr\u00ean Visual Paradigm<\/h2>\n<ol>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-uml\/\"><strong>UML l\u00e0 g\u00ec?<\/strong><\/a>: Gi\u1edbi thi\u1ec7u th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi m\u1edbi v\u1ec1 c\u00e1c kh\u00e1i ni\u1ec7m UML, c\u00e1c lo\u1ea1i bi\u1ec3u \u0111\u1ed3 v\u00e0 nguy\u00ean t\u1eafc m\u00f4 h\u00ecnh h\u00f3a t\u1eeb h\u01b0\u1edbng d\u1eabn h\u1ecdc t\u1eadp c\u1ee7a Visual Paradigm.<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/why-uml-modeling\/\"><strong>T\u1ea1i sao l\u1ea1i m\u00f4 h\u00ecnh h\u00f3a UML?<\/strong><\/a>: L\u00fd gi\u1ea3i th\u1ef1c t\u1ebf cho vi\u1ec7c \u00e1p d\u1ee5ng UML, bao g\u1ed3m c\u00e1c l\u1ee3i \u00edch nh\u01b0 c\u1ea3i thi\u1ec7n giao ti\u1ebfp, gi\u1ea3m s\u1ef1 m\u01a1 h\u1ed3 v\u00e0 t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf t\u1ed1t h\u01a1n.<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\"><strong>Bi\u1ec3u \u0111\u1ed3 Use Case l\u00e0 g\u00ec?<\/strong><\/a>: H\u01b0\u1edbng d\u1eabn c\u1ed1t l\u00f5i gi\u1ea3i th\u00edch m\u1ee5c \u0111\u00edch, ph\u1ea1m vi v\u00e0 v\u1ecb tr\u00ed c\u1ee7a bi\u1ec3u \u0111\u1ed3 use case trong c\u00e1c bi\u1ec3u \u0111\u1ed3 UML h\u00e0nh vi.<\/li>\n<li><a href=\"https:\/\/circle.visual-paradigm.com\/docs\/uml-and-sysml\/use-case-diagram\/use-case-diagram-notations-guide\/\"><strong>H\u01b0\u1edbng d\u1eabn k\u00fd hi\u1ec7u bi\u1ec3u \u0111\u1ed3 Use Case<\/strong><\/a>: T\u00e0i li\u1ec7u tham kh\u1ea3o tr\u1ef1c quan to\u00e0n di\u1ec7n cho t\u1ea5t c\u1ea3 c\u00e1c k\u00fd hi\u1ec7u, m\u1ed1i quan h\u1ec7 v\u00e0 c\u00e1c \u0111o\u1ea1n tr\u00edch t\u1eeb quy chu\u1ea9n OMG c\u1ee7a bi\u1ec3u \u0111\u1ed3 use case UML.<\/li>\n<li><a href=\"https:\/\/circle.visual-paradigm.com\/docs\/uml-and-sysml\/use-case-diagram\/how-to-draw-a-use-case-diagram-in-uml\/\"><strong>C\u00e1ch v\u1ebd bi\u1ec3u \u0111\u1ed3 Use Case trong UML<\/strong><\/a>: H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o bi\u1ec3u \u0111\u1ed3 use case trong Visual Paradigm, bao g\u1ed3m ranh gi\u1edbi h\u1ec7 th\u1ed1ng, c\u00e1c vai tr\u00f2, m\u1ed1i quan h\u1ec7 v\u00e0 k\u1ef9 thu\u1eadt t\u1ed5 ch\u1ee9c.<\/li>\n<li><a href=\"https:\/\/circle.visual-paradigm.com\/docs\/uml-and-sysml\/use-case-diagram\/entering-meeting-nodes-for-use-case\/\"><strong>Nh\u1eadp ghi ch\u00fa cu\u1ed9c h\u1ecdp cho Use Case<\/strong><\/a>: H\u01b0\u1edbng d\u1eabn quy tr\u00ecnh n\u00e2ng cao \u0111\u1ec3 ghi l\u1ea1i c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn c\u1ee7a c\u00e1c b\u00ean li\u00ean quan trong Ghi ch\u00fa Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 ph\u00e1t tri\u1ec3n ch\u00fang th\u00e0nh c\u00e1c k\u1ecbch b\u1ea3n v\u00e0 y\u00eau c\u1ea7u ch\u00ednh th\u1ee9c.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n Agile \u0111\u1ea7y t\u1ed1c \u0111\u1ed9, t\u00e0i li\u1ec7u th\u01b0\u1eddng b\u1ecb mang ti\u1ebfng x\u1ea5u. N\u00f3 b\u1ecb xem l\u00e0<\/p>\n","protected":false},"author":11,"featured_media":12249,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","source_url":"","source_h1_title":"","fifu_image_url":"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/10\/img_6ac4c14bc7a95.png","fifu_image_alt":"","_fifu_image_alt":"","fifu_alt":"","_fifu_alt":"","fifu_image_title":"","_fifu_image_title":"","fifu_input_alt":"","vp_image_hash":"","footnotes":""},"categories":[3],"tags":[],"asset-category":[],"class_list":["post-12248","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-language"],"source_url":"","source_h1_title":"","fifu_image_url":"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2026\/10\/img_6ac4c14bc7a95.png","fifu_image_alt":"","vp_image_hash":"","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bi\u1ec3u \u0111\u1ed3 Use Case cho c\u00e1c \u0111\u1ed9i Agile: H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n \u0111\u1ec3 tr\u1ef1c quan h\u00f3a h\u00e0nh vi h\u1ec7 th\u1ed1ng - Cybermedian<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cybermedian.com\/vn\/use-case-diagrams-for-agile-teams-a-beginners-guide-to-visualizing-system-behavior\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bi\u1ec3u \u0111\u1ed3 Use Case cho c\u00e1c \u0111\u1ed9i Agile: H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n \u0111\u1ec3 tr\u1ef1c quan h\u00f3a h\u00e0nh vi h\u1ec7 th\u1ed1ng - Cybermedian\" \/>\n<meta property=\"og:description\" content=\"Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n Agile \u0111\u1ea7y t\u1ed1c \u0111\u1ed9, t\u00e0i li\u1ec7u th\u01b0\u1eddng b\u1ecb mang ti\u1ebfng x\u1ea5u. 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