In this section, we will show you how to extend callback to action result.
Create a java file named JavaExtension.java locate in src/main/java/runflow, and writing the following content:
Add the following content to plugin-spec.yml:
action-result-callback-extensions:
- service: runflow.JavaExtension
name-bundle-id: Demo ExtensionTo validate the extension, you should follow our action tutorial to write a java action.