Creating an Action ------------------ For the "Hello" task, you will create a `say` [action](structure-controllers.md#creating-actions) that reads a `message` parameter from the request and displays that message back to the user. If the request does not provide a `message` parameter, the action will display the default "Hello" message. > Info: [Actions](structure-controllers.md#creating-actions) are the objects that end users can directly refer to for execution. Actions are grouped by [controllers](structure-controllers.md). The execution result of an action is the response that an end user will receive. Actions must be declared in ...