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Hi! I need to add information to activities content because I need to show some information based on activity type, but I can’t make it work

function mmAddLocationCategory($activity_content) {

    $activity_id = bp_get_activity_id();
    $activities = bp_activity_get_specific('activity_ids=' . $activity_id);
    $activity = $activities['activities'][0];

    if ($activity->type){
        switch($activity->type){ 
            case "bbp_topic_create": 
                $activity_content = $activity_content . "<p class='activity-action'>" . $activity->action . "</p>";
                break;
            case "updated_profile":
                $activity_content = $activity_content . '<div class="activity-inner">
                    <a href="' . bp_activity_user_link() . '">"' . $activity->display_name . '</a> &nbsp updated profile details.</div>';
                break;
            case "joined_group":
                $activity_content = $activity_content . '<div class="activity-inner">
                    <p class="activity-action">' . $activity->action . '</p>
                </div>';
                break;
            default:
                $activity_content = $activity_content . "<div class='activity-inner'>" . $activity->action . "</div>";
                break;
        }
    }    
    
    return $activity_content;

}
add_filter('bp_activity_new_update_content', 'mmAddLocationCategory', 10, 2 );