Hi Anders import org.joget.apps.app.model.AppDefinition; import org.joget.apps.app.service.AppService; import org.joget.apps.app.service.AppUtil; import org.joget.apps.form.model.FormRow; import org.joget.apps.form.model.FormRowSet; import org.joget.apps.form.service.FormUtil; import org.joget.workflow.model.WorkflowAssignment; import org.joget.workflow.util.WorkflowUtil; How would we find and make use of those particular classes for the development . In github we can find the xml sources but for development we need to having that Specific java API. I think you are professional in Joget please provide any samples & any guides if you have. Thanks in advance..