Parse Classes

Contact
A Contact includes some data that we need that isn't provided by PFUser.

userObjectId (string)  
firstName (string)  
lastName (string)  
phone (string)  
photoURI (string)  

Friendship
This represents a pending or accepted friendship between two users. A Friendship will be deleted if either user removes the other from their friends list.

firstUserObjectId (string)
secondUserObjectId (string)
accepted (boolean)