Using Gravity Forms ‘gform_addon_app_PAGE_TAB’ PHP filter

The gform_addon_app_PAGE_TAB action in Gravity Forms triggers when a specific page and tab within the Gravity Forms user interface is accessed. This action is commonly used for adding custom content to specific settings tabs.


Here’s a simplified way to use this action:

add_action( 'gform_addon_app_PAGE_TAB', 'your_function_name' );

In this code, your_function_name is where you’ll place the name of your own function.


The gform_addon_app_PAGE_TAB action doesn’t have any parameters.

More information

To get more details about this action, refer to the Gravity Forms Documentation: gform_addon_app_PAGE_TAB

This action is located in the class-gf-addon.php file.


Adding a Simple Message

To add a simple message whenever a user accesses a particular page and tab:

function add_my_message() {
  echo "Welcome to this page!";
add_action( 'gform_addon_app_PAGE_TAB', 'add_my_message' );

This will display the message “Welcome to this page!” on the accessed tab.

Inserting Custom HTML

To insert custom HTML on the page:

function insert_custom_html() {
  echo "<div>Welcome to our custom settings page!</div>";
add_action( 'gform_addon_app_PAGE_TAB', 'insert_custom_html' );

The code will add a div with the message “Welcome to our custom settings page!”.

Displaying User Information

To show user information:

function show_user_info() {
  $current_user = wp_get_current_user();
  echo 'Username: ' . $current_user->user_login;
add_action( 'gform_addon_app_PAGE_TAB', 'show_user_info' );

This will display the username of the currently logged-in user.

Adding Custom CSS

To add custom CSS:

function add_custom_css() {
  echo '<style>body {background-color: lightblue;}</style>';
add_action( 'gform_addon_app_PAGE_TAB', 'add_custom_css' );

This will change the background color of the page to light blue.

Adding a Custom Warning

To add a custom warning message:

function add_warning_message() {
  echo "<p class='warning'>Please make sure to save your changes!</p>";
add_action( 'gform_addon_app_PAGE_TAB', 'add_warning_message' );

This will display a warning message to the user, reminding them to save their changes.