How to remove the Skip button from Questionnaire Activity in Playbooks?

I am working on a public catalog item (Record Producer). I have an attachment type of variable there, which I want to make public. It is visible to the public users, but when they're trying to attach something there, it just keeps on loading and does...

I have a requirement where the client wants to be redirected to a page with a thank you message on it. Is it possible to do so? Is there any out-of-the-box page with such a message? If I need to create a custom page for this, please let me know how t...