How many actions can be added to an iOS push notification?

Question

What is the maximum number of actions that can be associated with a push notification and still show up on the lock screen? For example, in this picture, there are two actions. Is it possible to put more than that?

Answer 1

NO

banner、lock screen、notification center up to 2 actions

notification alert up to 4 actions

See: https://developer.apple.com/library/ios/documentation/UserExperience/Conceptual/MobileHIG/NotificationCenter.html