jcs/post_query_args

A filter to override the wp_query for all post populated menu items.

add_filter( 'jcs/post_query_args', 'jc_post_query_args', 10, 1 );
function jc_post_query_args($post_args){
    return $post_args;
}

To target a specific post populated menu item use the following filter.

add_filter( 'jcs/post_{$menu_id}_query_args', 'jc_post_query_args', 10, 1 );
function jc_post_query_args($post_args){
    return $post_args;
}