I was unable to find my field in quick actions of lightning app builder highlightpanel . I have checked the page layout it seems fine but the issue was with permission set system setting Manage flow was not checked ? so what is that setting related to my

I was unable to find my field in quick actions of the lightning app builder highlight panel #Trailhead Challenges. I have checked the page layout it seems fine but the issue was with the permission set system setting Manage flow was not checked? so what is that setting related to my field visibility under quick actions?#trailhead