Firebase link problem

I make a notification button in app . and when the button click i set notification dialog show . and i make a lable and connect with firebase .My problem is i type a text in firebase 'Join this youtube chanel ’ . When i export the app it show as text but i wanted to show ’ as a link and when anyone click there it will open … How can i do it ?

Don’t open new topic. You already have a topic.

Duplicate of: