This snippet shows how to change the status of a post during broadcast.
/**
@brief Change the post status of the post before being broadcasted to each child blog.
@since 2017-06-04 22:24:19
**/
function my_threewp_broadcast_broadcasting_started( $action )
{
$action->broadcasting_data
->post->post_status = 'draft';
}
add_action( 'threewp_broadcast_broadcasting_started', 'my_threewp_broadcast_broadcasting_started' );