Description
This filter is executed when creating the Post Image Description field and can be used to modify the “Description” label.
Usage
This would apply your function to all forms.
add_filter( 'gform_postimage_description', 'your_function_name', 10, 2 );
To target a specific form append the form id to the hook name. (format: gform_postimage_description_FORMID)
add_filter( 'gform_postimage_description_5', 'your_function_name', 10, 2 );
Examples
This example changes the default Post Image Description label:
add_filter( 'gform_postimage_description', 'change_postimage_description', 10, 2 ); function change_postimage_description( $label, $form_id ) { return 'Image Description'; }
Source Code
This filter is located in GF_Field_Post_Image::get_field_input() in includes/fields/class-gf-field-post-image.php.