# \#uml **URL:** https://forums.visual-paradigm.com/tag/uml/1.md [Latest](https://forums.visual-paradigm.com/latest.md) · [Categories](https://forums.visual-paradigm.com/categories.md) · [Tags](https://forums.visual-paradigm.com/tags.md) --- ## [How to change from role when synchronizing to class diagram?](https://forums.visual-paradigm.com/t/how-to-change-from-role-when-synchronizing-to-class-diagram/22755)
**Author:** [@Yal](https://forums.visual-paradigm.com/u/Yal)\ **Replies:** 1\ **Last updated:** [August 15, 2026, 10:12am UTC](https://forums.visual-paradigm.com/t/how-to-change-from-role-when-synchronizing-to-class-diagram/22755 "2026-08-15T10:12:10Z")
Hey guys. I am using Visual Paradigm Enterprise 18.1 Evaluation Version and want to visualize a database as a uml class diagram. For that I used “Reverse DDL” to generate an ERD and then “Synchronize to Class Diagram” … --- ## [Formatting Note on sequence diagram](https://forums.visual-paradigm.com/t/formatting-note-on-sequence-diagram/22754)
**Author:** [@KenGarlington](https://forums.visual-paradigm.com/u/KenGarlington)\ **Replies:** 3\ **Last updated:** [August 4, 2026, 2:56am UTC](https://forums.visual-paradigm.com/t/formatting-note-on-sequence-diagram/22754 "2026-08-04T02:56:33Z")
I need to use Cambria Regular 11 font for all the text on a sequence diagram. However, every time I create or edit a Note in a sequence diagram, it uses the built-in default font. I have tried every combination of the Se… --- ## [Visual paradigm integration for Visual Studio not working](https://forums.visual-paradigm.com/t/visual-paradigm-integration-for-visual-studio-not-working/22606)
**Author:** [@JackC](https://forums.visual-paradigm.com/u/JackC)\ **Replies:** 2\ **Last updated:** [December 1, 2025, 1:57pm UTC](https://forums.visual-paradigm.com/t/visual-paradigm-integration-for-visual-studio-not-working/22606 "2025-12-01T13:57:35Z")
We installed Visual paradigm extension for Visual Studio which we can use to do code roundtrip updating. It is installed and we can open Visual paradigm from Visual Studio. After clicking the icon to update or force upd… --- ## [Component diagram subsystem differentiating design vs. execution time / UML conformity](https://forums.visual-paradigm.com/t/component-diagram-subsystem-differentiating-design-vs-execution-time-uml-conformity/22619)
**Author:** [@arm1n](https://forums.visual-paradigm.com/u/arm1n)\ **Replies:** 1\ **Last updated:** [November 18, 2025, 4:10pm UTC](https://forums.visual-paradigm.com/t/component-diagram-subsystem-differentiating-design-vs-execution-time-uml-conformity/22619 "2025-11-18T16:10:35Z")
Hello, I’m new to Visual Paradigm and I really like it very much! For my (architecture) work I’m heavily using component diagrams as specified in UML 2, a good example can be found here: UML component diagram shows comp… --- ## [How to model API to generate oneOf relationship in openapi?](https://forums.visual-paradigm.com/t/how-to-model-api-to-generate-oneof-relationship-in-openapi/18179)
**Author:** [@dtapi](https://forums.visual-paradigm.com/u/dtapi)\ **Replies:** 3\ **Last updated:** [October 16, 2025, 8:49am UTC](https://forums.visual-paradigm.com/t/how-to-model-api-to-generate-oneof-relationship-in-openapi/18179 "2025-10-16T08:49:09Z")
Hi, I’m modeling API first and want to generate swagger/openapi specification. I have one attribute “blocks” in Layout class - it is an array of interface call it “IBlock” - it has some attributes. and I modeled few obj… --- ## [How to insert sub-swimlanes?](https://forums.visual-paradigm.com/t/how-to-insert-sub-swimlanes/22077)
**Author:** [@dbednarski](https://forums.visual-paradigm.com/u/dbednarski)\ **Replies:** 2\ **Last updated:** [June 26, 2025, 10:28pm UTC](https://forums.visual-paradigm.com/t/how-to-insert-sub-swimlanes/22077 "2025-06-26T22:28:10Z")
Is it possible to insert sub-swimlanes in activity diagrams? Does Visual Paradigm provide this feature? I suspect not, since I haven’t found how to do that. I know that the business process diagrams allow that (Introduc… --- ## [No Parameter option in Class Diagram](https://forums.visual-paradigm.com/t/no-parameter-option-in-class-diagram/21379)
**Author:** [@Alessandro\_Mattioli](https://forums.visual-paradigm.com/u/Alessandro_Mattioli)\ **Replies:** 2\ **Last updated:** [February 21, 2025, 8:01am UTC](https://forums.visual-paradigm.com/t/no-parameter-option-in-class-diagram/21379 "2025-02-21T08:01:29Z")
Hi everyone, I’m new to Visual Paradigm and since today I can’t see the usual parameter window when configuring the operation inside a class in a class diagram. Can someone please help me? I tried searching online but … --- ## [Flight reservation system ](https://forums.visual-paradigm.com/t/flight-reservation-system/21290)
**Author:** [@Reethu\_Reethu](https://forums.visual-paradigm.com/u/Reethu_Reethu)\ **Replies:** 0\ **Last updated:** [December 10, 2024, 2:42am UTC](https://forums.visual-paradigm.com/t/flight-reservation-system/21290 "2024-12-10T02:42:03Z")
Col --- ## [I cant findsome of the steps that are mentioned in here https://www.visual-paradigm.com/tutorials/eclipseuml.jsp for code generation from UMl Diagrams. such as Update code option not available .I cant find any tutorial for latest version on how to do it ](https://forums.visual-paradigm.com/t/i-cant-findsome-of-the-steps-that-are-mentioned-in-here-https-www-visual-paradigm-com-tutorials-eclipseuml-jsp-for-code-generation-from-uml-diagrams-such-as-update-code-option-not-available-i-cant-find-any-tutorial-for-latest-version-on-how-to-do-it/21260)
**Author:** [@Meh\_Naz](https://forums.visual-paradigm.com/u/Meh_Naz)\ **Replies:** 1\ **Last updated:** [November 25, 2024, 7:18am UTC](https://forums.visual-paradigm.com/t/i-cant-findsome-of-the-steps-that-are-mentioned-in-here-https-www-visual-paradigm-com-tutorials-eclipseuml-jsp-for-code-generation-from-uml-diagrams-such-as-update-code-option-not-available-i-cant-find-any-tutorial-for-latest-version-on-how-to-do-it/21260 "2024-11-25T07:18:29Z")
--- ## [Automated model creation](https://forums.visual-paradigm.com/t/automated-model-creation/21226)
**Author:** [@ArnaudC](https://forums.visual-paradigm.com/u/ArnaudC)\ **Replies:** 1\ **Last updated:** [November 7, 2024, 5:57am UTC](https://forums.visual-paradigm.com/t/automated-model-creation/21226 "2024-11-07T05:57:12Z")
Hi, i am searching a way to create automatically element in the model. I have a huge mass of elements coming from a low-code platform. I can have the elements (modules) and link between them through API, and i would lik… --- ## [Eclipse Integration - update to code greyed out](https://forums.visual-paradigm.com/t/eclipse-integration-update-to-code-greyed-out/18410)
**Author:** [@David\_Belgium](https://forums.visual-paradigm.com/u/David_Belgium)\ **Replies:** 6\ **Last updated:** [October 28, 2024, 6:01am UTC](https://forums.visual-paradigm.com/t/eclipse-integration-update-to-code-greyed-out/18410 "2024-10-28T06:01:03Z")
Hi, I have integrated Visual Paradigm 17.1 into eclipse 2023-12. I can model everything in Eclipse but I can’t generate code from the model, ‘update to code’ to code is greyed out. When pressing the blue update button … --- ## [Generate multiple class diagrams with 1 time instant reverse](https://forums.visual-paradigm.com/t/generate-multiple-class-diagrams-with-1-time-instant-reverse/21189)
**Author:** [@Nguyen\_Hoang\_Hiep\_QP](https://forums.visual-paradigm.com/u/Nguyen_Hoang_Hiep_QP)\ **Replies:** 1\ **Last updated:** [October 23, 2024, 8:26am UTC](https://forums.visual-paradigm.com/t/generate-multiple-class-diagrams-with-1-time-instant-reverse/21189 "2024-10-23T08:26:39Z")
Hi, I’ve just learned about instant reverse code to class diagram, when I reverse into a class diagram, then I copy and paste them to another diagram for another function, I notices that whatever changes I do for one dia… --- ## [How to change stereotype of UML Component in VP online?](https://forums.visual-paradigm.com/t/how-to-change-stereotype-of-uml-component-in-vp-online/21117)
**Author:** [@JaKo](https://forums.visual-paradigm.com/u/JaKo)\ **Replies:** 3\ **Last updated:** [September 16, 2024, 9:29am UTC](https://forums.visual-paradigm.com/t/how-to-change-stereotype-of-uml-component-in-vp-online/21117 "2024-09-16T09:29:51Z")
Hi, I am trying to edit the stereotype of a component in VP online, free version. It does not seem possible? Is this correct? Which other version of VP online allows to edit stereotypes, i.e. is an upgrade required? --- ## [Sequence Diagram Create Reply from recursive message](https://forums.visual-paradigm.com/t/sequence-diagram-create-reply-from-recursive-message/18473)
**Author:** [@Dragon](https://forums.visual-paradigm.com/u/Dragon)\ **Replies:** 1\ **Last updated:** [March 28, 2024, 1:24am UTC](https://forums.visual-paradigm.com/t/sequence-diagram-create-reply-from-recursive-message/18473 "2024-03-28T01:24:27Z")
Hi, how can I create a reply from a recursive message back? I have seen it before but I can’t recreate it somehow. Like this: Thanks in advance --- ## [Symbols used for ISO 19450:2024](https://forums.visual-paradigm.com/t/symbols-used-for-iso-19450-2024/18479)
**Author:** [@Gabriel\_Guriencu](https://forums.visual-paradigm.com/u/Gabriel_Guriencu)\ **Replies:** 0\ **Last updated:** [March 27, 2024, 1:56pm UTC](https://forums.visual-paradigm.com/t/symbols-used-for-iso-19450-2024/18479 "2024-03-27T13:56:17Z")
Will you implement the symbols used for Object Process Methodology (OPM)? --- ## [How to reverse/generate Java Record?](https://forums.visual-paradigm.com/t/how-to-reverse-generate-java-record/17964)
**Author:** [@jeanaymeric](https://forums.visual-paradigm.com/u/jeanaymeric)\ **Replies:** 2\ **Last updated:** [January 11, 2024, 7:04pm UTC](https://forums.visual-paradigm.com/t/how-to-reverse-generate-java-record/17964 "2024-01-11T19:04:39Z")
Hi, I can’t find a way to import a java record item. There is no view in the Model Explorer panel. I can see all interfaces, classes and enums, but no records. If I try to reverse a java record, I have this message : … --- ## [Ucrtbase.dll problem](https://forums.visual-paradigm.com/t/ucrtbase-dll-problem/18342)
**Author:** [@Faris\_Abozaid](https://forums.visual-paradigm.com/u/Faris_Abozaid)\ **Replies:** 1\ **Last updated:** [December 28, 2023, 6:34am UTC](https://forums.visual-paradigm.com/t/ucrtbase-dll-problem/18342 "2023-12-28T06:34:16Z")
when i install any version of visual paradigm it gives me the error : C:\\Program files\\visual paradigm17.0\\jre\\bin\\ucrtbase.dll coudn’t create this file how can i fix the issue? --- ## [Copy and paste a created activity diagram into another activity diagram letter a applied to every item in the pasted activated diagram](https://forums.visual-paradigm.com/t/copy-and-paste-a-created-activity-diagram-into-another-activity-diagram-letter-a-applied-to-every-item-in-the-pasted-activated-diagram/18280)
**Author:** [@stevesrf](https://forums.visual-paradigm.com/u/stevesrf)\ **Replies:** 2\ **Last updated:** [November 17, 2023, 4:05am UTC](https://forums.visual-paradigm.com/t/copy-and-paste-a-created-activity-diagram-into-another-activity-diagram-letter-a-applied-to-every-item-in-the-pasted-activated-diagram/18280 "2023-11-17T04:05:36Z")
HOW COME THE LETTER a is attached to every item in created activity diagram when that diagram and copied and pasted into another activity diagram. ROFL TALK A BOUT BIEING FUCKED AND A PAIN IN THE ASS SO HOW EXACTLY CAN… --- ## [How to resize / fit size Actor in Sequence Diagram (ASK)](https://forums.visual-paradigm.com/t/how-to-resize-fit-size-actor-in-sequence-diagram-ask/18188)
**Author:** [@Danil\_Firth](https://forums.visual-paradigm.com/u/Danil_Firth)\ **Replies:** 1\ **Last updated:** [August 21, 2023, 2:13am UTC](https://forums.visual-paradigm.com/t/how-to-resize-fit-size-actor-in-sequence-diagram-ask/18188 "2023-08-21T02:13:49Z")
I have a sequence Diagram (Visual Paradigm version 17.1) and want to fit size all of the property. I have tried to use “Right Click → Diagram Content → Diagram Fit Shapes Size” and its works for the most shapes in my Seq… --- ## [Is it possible to hyperlink (or the equivalent) a step in one diagram to another diagram?](https://forums.visual-paradigm.com/t/is-it-possible-to-hyperlink-or-the-equivalent-a-step-in-one-diagram-to-another-diagram/18102)
**Author:** [@smith](https://forums.visual-paradigm.com/u/smith)\ **Replies:** 3\ **Last updated:** [July 12, 2023, 10:03am UTC](https://forums.visual-paradigm.com/t/is-it-possible-to-hyperlink-or-the-equivalent-a-step-in-one-diagram-to-another-diagram/18102 "2023-07-12T10:03:51Z")
Is it possible to hyperlink (or the equivalent) a step in one diagram to another diagram such that I can click on (something) and have the linked-to diagram appear then, when I’m done there, click back somehow to the fir… --- ## [Reverse engineering in intellij](https://forums.visual-paradigm.com/t/reverse-engineering-in-intellij/18045)
**Author:** [@smith](https://forums.visual-paradigm.com/u/smith)\ **Replies:** 0\ **Last updated:** [May 25, 2023, 12:13pm UTC](https://forums.visual-paradigm.com/t/reverse-engineering-in-intellij/18045 "2023-05-25T12:13:11Z")
Trying out the enterprise edition for 30 days. Integrated with Intellij (latest) Can’t figure out how to reverse engineer existing project / package / class(es) into UML diagrams. Does anyone know how to do this ? I op… --- ## [Enable to open my Class Diagram](https://forums.visual-paradigm.com/t/enable-to-open-my-class-diagram/18031)
**Author:** [@Ibtihal\_Mayouche](https://forums.visual-paradigm.com/u/Ibtihal_Mayouche)\ **Replies:** 1\ **Last updated:** [May 23, 2023, 2:25am UTC](https://forums.visual-paradigm.com/t/enable-to-open-my-class-diagram/18031 "2023-05-23T02:25:19Z")
I want to edit my class diagram --- ## [How to destroy message in sequence diagram in visual paradigm version 16.3](https://forums.visual-paradigm.com/t/how-to-destroy-message-in-sequence-diagram-in-visual-paradigm-version-16-3/17994)
**Author:** [@123](https://forums.visual-paradigm.com/u/123)\ **Replies:** 1\ **Last updated:** [May 2, 2023, 10:22am UTC](https://forums.visual-paradigm.com/t/how-to-destroy-message-in-sequence-diagram-in-visual-paradigm-version-16-3/17994 "2023-05-02T10:22:47Z")
How to destroy message in sequence diagram in visual paradigm version 16.3 --- ## [covert to communication ](https://forums.visual-paradigm.com/t/covert-to-communication/17982)
**Author:** [@sandzz](https://forums.visual-paradigm.com/u/sandzz)\ **Replies:** 1\ **Last updated:** [April 26, 2023, 7:24am UTC](https://forums.visual-paradigm.com/t/covert-to-communication/17982 "2023-04-26T07:24:24Z")
--- ## [Exception line usage](https://forums.visual-paradigm.com/t/exception-line-usage/17916)
**Author:** [@dncarac](https://forums.visual-paradigm.com/u/dncarac)\ **Replies:** 1\ **Last updated:** [March 20, 2023, 5:36am UTC](https://forums.visual-paradigm.com/t/exception-line-usage/17916 "2023-03-20T05:36:48Z")
I’m trying to depict an exception handler. I’ve place an action node, and two accept event nodes, all enclosed by an interruptable activity region. Outside theregion are to action nodes. When I try to connect an event… --- ## [Instant Reverse. C#. All connections are not built](https://forums.visual-paradigm.com/t/instant-reverse-c-all-connections-are-not-built/17885)
**Author:** [@dvorko654](https://forums.visual-paradigm.com/u/dvorko654)\ **Replies:** 1\ **Last updated:** [March 1, 2023, 5:45am UTC](https://forums.visual-paradigm.com/t/instant-reverse-c-all-connections-are-not-built/17885 "2023-03-01T05:45:44Z")
Instant Reverse. C#. All connections are not built. Please excuse me in advance if my question is incorrect. I started learning C#, so there may be inaccuracies in the questions. question. Instant Revers C# doesn’t b… --- ## [Unable to write file](https://forums.visual-paradigm.com/t/unable-to-write-file/17887)
**Author:** [@Ception](https://forums.visual-paradigm.com/u/Ception)\ **Replies:** 1\ **Last updated:** [February 21, 2023, 9:33am UTC](https://forums.visual-paradigm.com/t/unable-to-write-file/17887 "2023-02-21T09:33:18Z")
Hey guys, I’ve looked around everywhere including on your board with no avail. I’m not on the 3rd page of Google (shocking I know) and no information about my particular issue. After some trouble shooting, I realized I… --- ## [C4 Model Support](https://forums.visual-paradigm.com/t/c4-model-support/16280)
**Author:** [@AndyP](https://forums.visual-paradigm.com/u/AndyP)\ **Replies:** 18\ **Last updated:** [February 15, 2023, 4:07pm UTC](https://forums.visual-paradigm.com/t/c4-model-support/16280 "2023-02-15T16:07:23Z")
Does the VP product support C4 Modelling (https://c4model.com/ ) thanks. --- ## [Dialog to reorder elements in a diagram](https://forums.visual-paradigm.com/t/dialog-to-reorder-elements-in-a-diagram/17867)
**Author:** [@KDean](https://forums.visual-paradigm.com/u/KDean)\ **Replies:** 1\ **Last updated:** [February 9, 2023, 9:58pm UTC](https://forums.visual-paradigm.com/t/dialog-to-reorder-elements-in-a-diagram/17867 "2023-02-09T21:58:05Z")
When generating a document, it is critically important that the elements in a diagram be output in a sensible sequence. You can imagine an Activity Diagram, for example, that has gone through several iterations would out… --- ## [How to convert an Action to a Decision Node?](https://forums.visual-paradigm.com/t/how-to-convert-an-action-to-a-decision-node/17778)
**Author:** [@terencenwk](https://forums.visual-paradigm.com/u/terencenwk)\ **Replies:** 1\ **Last updated:** [November 22, 2022, 6:23am UTC](https://forums.visual-paradigm.com/t/how-to-convert-an-action-to-a-decision-node/17778 "2022-11-22T06:23:06Z")
Is there a feature to convert an Action to a Decision Node in an Activity Diagram? [Next page](https://forums.visual-paradigm.com/tag/uml/1.md?match_all_tags=true&page=1&tags%5B%5D=uml)