Allows user to manually add an app in Account Settings.
Allows user to add external app icons to the Rich Content Editor toolbar.
Allows user to manually add an app in Course Settings.
LTI - delete
Allows user to manually delete an app in Account Settings.
Allows user to manually delete an app in Course Settings.
LTI - edit
Allows user to edit configurations for manually added external apps.
Additional Considerations
External Apps
If LTI - add is disabled, users can still install approved apps through the Canvas App Center (if enabled for your institution). However, if LTI - delete is not enabled, they cannot delete manually added external apps.
This documentation is generated directly from the Canvas LMS source code, available on Github.