Description
Filter whether Email Users should send the same message to the same email address if it is attached to different entries.
Usage
add_filter( 'gpeu_send_to_duplicates', 'my_custom_function' );
Parameters
Example
Don’t Send to Duplicate Emails
add_filter( 'gpeu_send_to_duplicates', '__return_false' );
Since
This filter is available since Gravity Forms Email Users 1.3.1.