6. Extensions

Extensions

Extensions add optional integrations and capabilities to Stateflows. They do not provide the required behavior-hosting runtime. Every application host must configure a runtime separately; see Runtimes. Install the package for an extension feature you use, then register or map it as described on its page.

List of available extensions

Feature	Guide	Source
Execute scripted actions, state hooks, and transition guards/effects	ClearScript	Project
Validate events with FluentValidation	FluentValidation	Project
Define behaviors and structural events in JSON	JSON definitions	Project
Expose behavior and Entity APIs over ASP.NET Core Minimal APIs	Minimal APIs	Project
Use OneOf union types as multiple event triggers	OneOf	Project
Emit traces and metrics through OpenTelemetry	OpenTelemetry	Project
Generate PlantUML diagrams from behavior definitions	PlantUML	Project
Schedule events for delivery to behaviors	Scheduling extension	Project