Set EPC certificate ID in RTDF requests

gistfile1.txt

add_filter( 'ph_rtdf_send_request_data', 'set_rtdf_epc_certificate_id', 10, 2 );
function set_rtdf_epc_certificate_id( $request_data, $post_id )
{
    $epc_certificate_id = get_post_meta($post_id, '_epc_certificate_id', true);
    if ( !empty($epc_certificate_id) )
    {
        $request_data['property']['details']['epc_information'] = array(
            'epc_certificate_id' => trim($epc_certificate_id)
        );
    }
    
    return $request_data;
}