//This is my parse class
let object = MYPFObject()
    object.data = "Hello"


 ///now when the object is saved
object.saveInBackground { (success, error) in

       //Here printing the object itself will give you the object ID
        debugPrint(object)
}

<MYPFObject: 0x1c02b2660, objectId: jE01A8upDM, localId: (null)> {
     ACL = "<PFACL: 0x1c403f3e0>";
     data = Hello;
}

// Create the post
var myPost = PFObject(className:"Post")
myPost["title"] = "I'm Hungry"
myPost["content"] = "Where should we go for lunch?"

// Create the comment
var myComment = PFObject(className:"Comment")
myComment["content"] = "Let's do Sushirrito."

// Add a relation between the Post and Comment
myComment["parent"] = myPost

// This will save both myPost and myComment
myComment.saveInBackground()