Reply To: fep_filter_read_receipt example and message recipient Home › Forums › Front End PM PRO › fep_filter_read_receipt example and message recipient › Reply To: fep_filter_read_receipt example and message recipient July 22, 2020 at 12:53 am #39503 Shamim HasanKeymaster You can use like following add_filter( 'fep_filter_read_receipt_individual', function( $receipt, $time, $participant ){ //here use your logic to change $receipt return $receipt; }, 10, 3); Let me know if you understand.