After you have attached add-on functionality to the exits in your project, you need to activate the project. Activating a project turns on all your add-ons. You also need to activate your project after you have transported it from a development system into a productive system.

When you activate your project, the system turns on all add-ons that the project contains. You cannot activate individual add-ons separately. To activate an add-on project, proceed as follows:

1. Call the Project management transaction.
2. Choose Activate project.

You can now call up any standard SAP transaction that contains an exit you used in your add-on project. The newly added add-on function(s) should appear.

If you need to make changes to any of your add-ons, you must first deactivate the project that contains that add-on. Deactivating a project turns off all of that project’s add-ons. To deactivate an add-on project, proceed as follows:

1. Call the Project management transaction.
2. Choose Deactivate.

Once the project is turned off, you can make changes to the project’s add-ons or build new functions and attach them to other exits in the project.