trick customization is approved

add_filter( 'mycred_add_finished', 'mycred_pro_trick_success_on_transfer', 999, 2 );
function mycred_pro_trick_success_on_transfer( $result, $request ) {

    extract( $request );

    if ( $ref == 'rewards_given' && $type == 'mycred_default' && $amount < 0 )
        return true;

    return $result;

}