Description
The gform_addon_app_PAGE_TAB action fires when a page and tab is accessed within Gravity Forms.
Typically used to add content to custom settings tabs.
Usage
add_action( 'gform_addon_app_PAGE_TAB', 'your_function_name' );
Parameters
No parameters are provided for this action.
Placement
This code can be used in the functions.php file of the active theme, a custom functions plugin, a custom add-on, or with a code snippets plugin.
See also the PHP section in this article: Where Do I Put This Code?
Source Code
This hook is located in class-gf-addon.php.