Update Post Title from Relation Field (Pods.io Framework)

/**
 * This filter fills in the post name for our custom post type
 */
add_filter( 'wp_insert_post_data' , 'gnt_modify_post_title' , '99', 2 );
function gnt_modify_post_title($data) {
    
    //only run for our post type
    if ($data['post_type'] == 'hbl_product') {  
        
        //get title from field
         $pod = pods( 'hbl_product', get_the_id() );
        //get the value for the relationship field
        $fund_name = $pod->field( 'selected_fund.fund_name', get_the_id() );
    
        
        //create a post title
        $data['post_title'] =  "$fund_name";
        
    }
    return $data;
    
}