# Syside **URL:** https://forum.sensmetry.com/c/syside/28.md?page=2 [Latest](https://forum.sensmetry.com/latest.md) · [Categories](https://forum.sensmetry.com/categories.md) · [Tags](https://forum.sensmetry.com/tags.md) **Page:** 3 --- ## [Missing start nodes in JSON](https://forum.sensmetry.com/t/missing-start-nodes-in-json/456)
**Author:** [@Johannes](https://forum.sensmetry.com/u/Johannes)\ **Replies:** 2\ **Last updated:** [April 22, 2026, 5:29pm UTC](https://forum.sensmetry.com/t/missing-start-nodes-in-json/456 "2026-04-22T17:29:22Z")
Hi Team, this is a message from Santiago, we are trying to get activity diagrams working and have an issue of missing Start and Finish nodes: About start/finish nodes these elements are missing in the JSON created by S… --- ## [The context variable "this" should refer to instances of the structural context for the behavior](https://forum.sensmetry.com/t/the-context-variable-this-should-refer-to-instances-of-the-structural-context-for-the-behavior/449)
**Author:** [@gwagner](https://forum.sensmetry.com/u/gwagner)\ **Replies:** 8\ **Last updated:** [April 22, 2026, 1:31pm UTC](https://forum.sensmetry.com/t/the-context-variable-this-should-refer-to-instances-of-the-structural-context-for-the-behavior/449 "2026-04-22T13:31:31Z")
In the following model code, the context variable this should refer to instances of the structural context for the behavior, that is to instances of the part type ElevatorCabin, as explained by Ed Seidewitz in a post on … --- ## [Can the editor wrap long strings when formatting files?](https://forum.sensmetry.com/t/can-the-editor-wrap-long-strings-when-formatting-files/454)
**Author:** [@Jonathan\_Haws](https://forum.sensmetry.com/u/Jonathan_Haws)\ **Replies:** 4\ **Last updated:** [April 22, 2026, 1:15pm UTC](https://forum.sensmetry.com/t/can-the-editor-wrap-long-strings-when-formatting-files/454 "2026-04-22T13:15:12Z")
It would be a fantastic feature for the editor in VS Code to wrap long strings across the wrapping boundary configured in the settings. Right now, if the line is too long, it will wrap the assignment to the next line, bu… --- ## [How to evaluate satisfy relationships](https://forum.sensmetry.com/t/how-to-evaluate-satisfy-relationships/429)
**Author:** [@Robert\_Karban](https://forum.sensmetry.com/u/Robert_Karban)\ **Replies:** 4\ **Last updated:** [April 22, 2026, 1:13pm UTC](https://forum.sensmetry.com/t/how-to-evaluate-satisfy-relationships/429 "2026-04-22T13:13:12Z")
Hi, The following model evaluates satisfy and requirements. package parts { private import ScalarValues::; private import SI::; private import ISQ::\*; package ‘base parts’ { part def CadRepresentedPart { attribute mas… --- ## [Syside 0.8.8](https://forum.sensmetry.com/t/syside-0-8-8/452)
**Author:** [@Simonas](https://forum.sensmetry.com/u/Simonas)\ **Replies:** 0\ **Last updated:** [April 21, 2026, 6:42am UTC](https://forum.sensmetry.com/t/syside-0-8-8/452 "2026-04-21T06:42:03Z")
Released on 21st April, 2026. This version’s Python API documentation. Modeler & Editor :bug: Bug Fixes lsp: Fix that files in the workspace created by scripts would not be parsed until opening them Modeler :rocket: … --- ## [Automator not evaluating action / calculation](https://forum.sensmetry.com/t/automator-not-evaluating-action-calculation/393)
**Author:** [@Hormo](https://forum.sensmetry.com/u/Hormo)\ **Replies:** 5\ **Last updated:** [April 17, 2026, 8:14am UTC](https://forum.sensmetry.com/t/automator-not-evaluating-action-calculation/393 "2026-04-17T08:14:45Z")
I am trying to run verification cases with different sets of values (verification) over a part that performs a set of actions that themselves use calculations. Syside 0.8.4 does expose expression evaluation but not full … --- ## [Perform action usage with a reference](https://forum.sensmetry.com/t/perform-action-usage-with-a-reference/450)
**Author:** [@lstevie](https://forum.sensmetry.com/u/lstevie)\ **Replies:** 1\ **Last updated:** [April 16, 2026, 6:27am UTC](https://forum.sensmetry.com/t/perform-action-usage-with-a-reference/450 "2026-04-16T06:27:18Z")
Hi! I’m running into an issue where I am trying to add perform action usages to parts, but I don’t want to declare them in the body of the part, I want the perform to reference an action usage that is defined in another … --- ## [Why does circuits\[1..\*\] not conform to Collections::Collection?](https://forum.sensmetry.com/t/why-does-circuits-1-not-conform-to-collections-collection/441)
**Author:** [@gwagner](https://forum.sensmetry.com/u/gwagner)\ **Replies:** 4\ **Last updated:** [April 14, 2026, 9:26am UTC](https://forum.sensmetry.com/t/why-does-circuits-1-not-conform-to-collections-collection/441 "2026-04-14T09:26:35Z")
I’ve defined a multi-valued property like so: private import CollectionFunctions::size; part circuits\[1..\*\] : Circuit { redefines supplyVoltage = nominalVoltage; redefines ratedCurrent default = ElectricGrid::ra… --- ## [Generate subsetting](https://forum.sensmetry.com/t/generate-subsetting/446)
**Author:** [@Kai](https://forum.sensmetry.com/u/Kai)\ **Replies:** 1\ **Last updated:** [April 13, 2026, 2:12pm UTC](https://forum.sensmetry.com/t/generate-subsetting/446 "2026-04-13T14:12:27Z")
Hi all, I am trying to generate a sysml file with one part usage “b” subsetting another part usage “a”: part a; part b :\> a{ doc /\* documentation for part b \*/ } After several attempts I wanted to confi… --- ## [Customizing Diagrams](https://forum.sensmetry.com/t/customizing-diagrams/434)
**Author:** [@TomBaker](https://forum.sensmetry.com/u/TomBaker)\ **Replies:** 5\ **Last updated:** [April 10, 2026, 11:05am UTC](https://forum.sensmetry.com/t/customizing-diagrams/434 "2026-04-10T11:05:04Z")
Hello! I’m trying to customize diagrams so I can include them in the documentation. Below is an example model that I’ve been using and the diagram that I’m able to generate from it. What I would like to customize is: H… --- ## [Syside 0.8.7](https://forum.sensmetry.com/t/syside-0-8-7/439)
**Author:** [@Simonas](https://forum.sensmetry.com/u/Simonas)\ **Replies:** 0\ **Last updated:** [April 9, 2026, 11:12am UTC](https://forum.sensmetry.com/t/syside-0-8-7/439 "2026-04-09T11:12:59Z")
Released on 9th April, 2026. This version’s Python API documentation. This version’s focus has been on reducing installation friction for Visual Studio Code fork users (such as VSCodium or Cursor), as well as for enter… --- ## [Unable to use # operator on nested ports](https://forum.sensmetry.com/t/unable-to-use-operator-on-nested-ports/436)
**Author:** [@Mason](https://forum.sensmetry.com/u/Mason)\ **Replies:** 2\ **Last updated:** [April 7, 2026, 5:59am UTC](https://forum.sensmetry.com/t/unable-to-use-operator-on-nested-ports/436 "2026-04-07T05:59:10Z")
port def TestPort { port subPorts \[10\] ordered; } interface def TestInterface { end port p1 : TestPort; end port p2 : TestPort; interface connect p1.subPorts#(1) to p2.subPorts#(1); } This seems to ups… --- ## [Generating Diagram with CLI](https://forum.sensmetry.com/t/generating-diagram-with-cli/433)
**Author:** [@TomBaker](https://forum.sensmetry.com/u/TomBaker)\ **Replies:** 5\ **Last updated:** [April 1, 2026, 4:24pm UTC](https://forum.sensmetry.com/t/generating-diagram-with-cli/433 "2026-04-01T16:24:03Z")
Hello! I’m trying to generate a diagram using the CLI: syside viz element “MyPackage” ./ --depth "-1" --output-file model.pdf When running, I’m getting this error: error: unexpected argument ‘-1’ found tip: to pass … --- ## [What's the right format for creating a Iso8601DateTime attribute?](https://forum.sensmetry.com/t/whats-the-right-format-for-creating-a-iso8601datetime-attribute/432)
**Author:** [@Robert\_Karban](https://forum.sensmetry.com/u/Robert_Karban)\ **Replies:** 3\ **Last updated:** [April 1, 2026, 12:58am UTC](https://forum.sensmetry.com/t/whats-the-right-format-for-creating-a-iso8601datetime-attribute/432 "2026-04-01T00:58:04Z")
Hi, I’m getting a validation error for: attribute dateOfBirth: Iso8601DateTime = new Iso8601DateTime("1926-04-03T00:00:00"); attribute dateOfDeath: Iso8601DateTime = new Iso8601DateTime("1967-01-27"); ScalarValues::… --- ## [Is there a way to restrict Tom Sawyer from showing unwanted inherited elements from SysML v2 Library](https://forum.sensmetry.com/t/is-there-a-way-to-restrict-tom-sawyer-from-showing-unwanted-inherited-elements-from-sysml-v2-library/431)
**Author:** [@HamzaBassam](https://forum.sensmetry.com/u/HamzaBassam)\ **Replies:** 1\ **Last updated:** [March 27, 2026, 11:59am UTC](https://forum.sensmetry.com/t/is-there-a-way-to-restrict-tom-sawyer-from-showing-unwanted-inherited-elements-from-sysml-v2-library/431 "2026-03-27T11:59:17Z")
Dear Sensmetry Team, Is there a way in Tom Sawyer Software to restrict the display of (unwanted) inherited elements from the SysML v2 library? For example, I am currently seeing inherited elements that I would prefer t… --- ## [How to evaluate nested properties of performed actions](https://forum.sensmetry.com/t/how-to-evaluate-nested-properties-of-performed-actions/428)
**Author:** [@Robert\_Karban](https://forum.sensmetry.com/u/Robert_Karban)\ **Replies:** 2\ **Last updated:** [March 24, 2026, 1:51pm UTC](https://forum.sensmetry.com/t/how-to-evaluate-nested-properties-of-performed-actions/428 "2026-03-24T13:51:00Z")
Hi I have this model below, where I want to calculate the sum of the costs of the tasks performed by a part. package costRollUp{ private import ScalarValues::\*; action def Task{ attribute cost : Real defaul… --- ## [Subsetting featuring types warning](https://forum.sensmetry.com/t/subsetting-featuring-types-warning/430)
**Author:** [@jbussemaker](https://forum.sensmetry.com/u/jbussemaker)\ **Replies:** 1\ **Last updated:** [March 24, 2026, 10:03am UTC](https://forum.sensmetry.com/t/subsetting-featuring-types-warning/430 "2026-03-24T10:03:44Z")
Hi all, I’m trying to create a model structure where I can merge some base part with the context of a subpart in a usage of that base part. See the following for an example: package SubsettingExample { part de… --- ## [Syside Cloud — What It Is & How to Access It](https://forum.sensmetry.com/t/syside-cloud-what-it-is-how-to-access-it/425)
**Author:** [@Zygimantas](https://forum.sensmetry.com/u/Zygimantas)\ **Replies:** 0\ **Last updated:** [March 19, 2026, 11:11am UTC](https://forum.sensmetry.com/t/syside-cloud-what-it-is-how-to-access-it/425 "2026-03-19T11:11:50Z")
Syside Cloud is a browser-based environment that gives you access to the full Syside toolset without any installation. It comes pre-loaded with models and use-case demonstrations, making it ideal for exploring Syside Mod… --- ## [Diagram image export is not working](https://forum.sensmetry.com/t/diagram-image-export-is-not-working/422)
**Author:** [@Zsolt\_Sandor](https://forum.sensmetry.com/u/Zsolt_Sandor)\ **Replies:** 2\ **Last updated:** [March 19, 2026, 10:38am UTC](https://forum.sensmetry.com/t/diagram-image-export-is-not-working/422 "2026-03-19T10:38:14Z")
Hello, I am using SysIDE in Windows. I tried to do an export a diagam from the Tom Sawyer renderer but I see no feedback and the image is not saved/exported even if I specify the full path for the image. --- ## [Assignment action not able to find feature of redefined "this"](https://forum.sensmetry.com/t/assignment-action-not-able-to-find-feature-of-redefined-this/421)
**Author:** [@Mason](https://forum.sensmetry.com/u/Mason)\ **Replies:** 3\ **Last updated:** [March 19, 2026, 7:01am UTC](https://forum.sensmetry.com/t/assignment-action-not-able-to-find-feature-of-redefined-this/421 "2026-03-19T07:01:53Z")
Hey all, I got this example of an assignment action from The SysML v2 Book. part def MissionCounter { attribute completedMissions : ScalarValues::Integer := 0; action completeMission { :\>\> this : Miss… --- ## [Diagram generation with SysML v2](https://forum.sensmetry.com/t/diagram-generation-with-sysml-v2/348)
**Author:** [@TomBaker](https://forum.sensmetry.com/u/TomBaker)\ **Replies:** 2\ **Last updated:** [March 16, 2026, 1:43pm UTC](https://forum.sensmetry.com/t/diagram-generation-with-sysml-v2/348 "2026-03-16T13:43:30Z")
Hi there, How is it possible to generate a specific diagram with only a subset of the model, for example a diagram that only shows a specific action (and all its action children and their connections like a flow diagra… --- ## [Error message: Invocation expression argument must redefine an input or an undirected feature](https://forum.sensmetry.com/t/error-message-invocation-expression-argument-must-redefine-an-input-or-an-undirected-feature/406)
**Author:** [@brlarson](https://forum.sensmetry.com/u/brlarson)\ **Replies:** 3\ **Last updated:** [March 13, 2026, 10:00pm UTC](https://forum.sensmetry.com/t/error-message-invocation-expression-argument-must-redefine-an-input-or-an-undirected-feature/406 "2026-03-13T22:00:52Z")
I am getting the error message on the subject line, which I cannot fix, and suspect may be erroneous. I have been using Syside to develop library packages for Supplementary Formal Semantics (SFS). I have added predicat… --- ## [Visualisation of occurrences does not seem to work](https://forum.sensmetry.com/t/visualisation-of-occurrences-does-not-seem-to-work/413)
**Author:** [@Hormo](https://forum.sensmetry.com/u/Hormo)\ **Replies:** 1\ **Last updated:** [March 11, 2026, 3:36pm UTC](https://forum.sensmetry.com/t/visualisation-of-occurrences-does-not-seem-to-work/413 "2026-03-11T15:36:57Z")
Hi folks! I am looking forward to visualize occurrences but I cannot manage to. I try to visualize this small occurrence here. Could you please help me? I have tried to reproduce exactly the way you showed in the blog (… --- ## [Syside 0.8.6](https://forum.sensmetry.com/t/syside-0-8-6/412)
**Author:** [@Simonas](https://forum.sensmetry.com/u/Simonas)\ **Replies:** 0\ **Last updated:** [March 9, 2026, 12:03pm UTC](https://forum.sensmetry.com/t/syside-0-8-6/412 "2026-03-09T12:03:15Z")
Released on 9th March, 2026. This version’s Python API documentation. This is a bug-fix release. All Tools :bug: Bug Fixes sema: Disable user function evaluation in multiplicity range bounds to avoid long analysis ti… --- ## [Support for n-ary connectors](https://forum.sensmetry.com/t/support-for-n-ary-connectors/410)
**Author:** [@Hormo](https://forum.sensmetry.com/u/Hormo)\ **Replies:** 1\ **Last updated:** [March 6, 2026, 8:36am UTC](https://forum.sensmetry.com/t/support-for-n-ary-connectors/410 "2026-03-06T08:36:54Z")
Does Syside currently support n-ary connectors? I defined one that does not seem to be recognized when using it. Maybe I defined it wrong though. connection def ManagedPerformerConnection { doc … --- ## [Private imports at the highest level](https://forum.sensmetry.com/t/private-imports-at-the-highest-level/408)
**Author:** [@Mason](https://forum.sensmetry.com/u/Mason)\ **Replies:** 2\ **Last updated:** [March 5, 2026, 3:02pm UTC](https://forum.sensmetry.com/t/private-imports-at-the-highest-level/408 "2026-03-05T15:02:38Z")
Hi there, The modeler docs say that in folder mode, all .sysml files are considered to be in the same project. If that’s the case I would expect for private imports outside of packages to be accessible to all the packag… --- ## [Syside 0.8.5](https://forum.sensmetry.com/t/syside-0-8-5/405)
**Author:** [@Simonas](https://forum.sensmetry.com/u/Simonas)\ **Replies:** 0\ **Last updated:** [March 1, 2026, 8:56am UTC](https://forum.sensmetry.com/t/syside-0-8-5/405 "2026-03-01T08:56:14Z")
Released on March 1st, 2026. This version’s Python API documentation. This release brings substantial new capabilities to both Syside Modeler and Syside Automator, a range of quality-of-life improvements driven directl… --- ## [Extracting Connections with Automator](https://forum.sensmetry.com/t/extracting-connections-with-automator/404)
**Author:** [@TomBaker](https://forum.sensmetry.com/u/TomBaker)\ **Replies:** 3\ **Last updated:** [February 27, 2026, 12:48pm UTC](https://forum.sensmetry.com/t/extracting-connections-with-automator/404 "2026-02-27T12:48:44Z")
Hello, I’m trying to extract connections from the model and I’m wondering if there is a convenient method to do? Here’s an example model in its textual and graphical form (I hope it’s modeled correctly). What I would li… --- ## [Linking to model elements in doc element markdown strings](https://forum.sensmetry.com/t/linking-to-model-elements-in-doc-element-markdown-strings/384)
**Author:** [@sean](https://forum.sensmetry.com/u/sean)\ **Replies:** 5\ **Last updated:** [February 20, 2026, 5:35am UTC](https://forum.sensmetry.com/t/linking-to-model-elements-in-doc-element-markdown-strings/384 "2026-02-20T05:35:44Z")
Hi, The Modeler feature that shows a tooltip with formatted markdown of a model elements’ \`doc\` object is very nice. Is it possible to reference/ add hyperlinks in the doc text to actual model elements? Something like p… --- ## [When should I use requirement composition vs specialization vs #derivation?](https://forum.sensmetry.com/t/when-should-i-use-requirement-composition-vs-specialization-vs-derivation/387)
**Author:** [@Abhishek](https://forum.sensmetry.com/u/Abhishek)\ **Replies:** 3\ **Last updated:** [February 19, 2026, 12:43pm UTC](https://forum.sensmetry.com/t/when-should-i-use-requirement-composition-vs-specialization-vs-derivation/387 "2026-02-19T12:43:40Z")
Hi all, I’m learning SysML v2 requirements and I’m confused about the difference between: composition (subrequirements) (i.e., requirements nested/owned inside another requirement) specialization (i.e., specialize… [Previous page](https://forum.sensmetry.com/c/syside/28.md?page=1) [Next page](https://forum.sensmetry.com/c/syside/28.md?page=3)