Choose which page a specific agent's profile picture will display on.

wp-live-chat-support-conditional-pages.php

add_action("wplc_hook_push_js_to_front", "my_function"); //Our Hook
function my_function(){                                     //Our Function
    $post_id = url_to_postid($url);                      //Get Post ID

    if($post_id === 3){                                     //Post ID matches '3' 
       //More complicated logic could be added

        $user_id = 5;                                      //Set the new user ID - You would need your own logic here
        change_active_agent($user_id);                     //Set the active agent to '$user_id' 
    }

    //More logic branches here
}

function change_active_agent($user_id){                      
    //Get all users
    $user_array = get_users(array(
        'meta_key' => 'wplc_ma_agent',
    ));

    //Remove all users 'Agent' role
    if ($user_array) {
        foreach ($user_array as $user) {
            $uid = $user->ID;
            $wplc_ma_user = new WP_User( $uid );
            $wplc_ma_user->remove_cap( 'wplc_ma_agent' );
            delete_user_meta($uid, "wplc_ma_agent");
            delete_user_meta($uid, "wplc_chat_agent_online");
        }
    }

    //Set the user with '$uid' to the active agent
    $uid = intval($user_id);
    $wplc_ma_user = new WP_User( $uid );
    $wplc_ma_user->add_cap( 'wplc_ma_agent' );
    update_user_meta($uid, "wplc_ma_agent", 1);
    update_user_meta($uid, "wplc_chat_agent_online", time());
}