objects. The function contained within the Groovy Action must be called execute() and its last instruction must be an integer. This integer serves as an indication whether the values of the session and info("Hello {}", action.getParameterValues().get("location")) EventService.NO_CHANGE } As the last instruction of the script is EventService.NO_CHANGE, data will not be persisted. Once the action has been

objects. The function contained within the Groovy Action must be called execute() and its last instruction must be an integer. This integer serves as an indication whether the values of the session and groovy script on your filesystem, start by creating the file hello-world.groovy : As the last instruction of the script is EventService.NO_CHANGE , data will not be persisted. Once the action has been