Document Revision History
This table describes the changes to SKPaymentTransactionObserver Protocol Reference.
| Date | Notes |
|---|---|
| 2012-09-19 | Describes new features added in iOS 6. |
| 2011-06-06 | First release of this document for OS X. |
| 2010-01-20 | Fixed a typo. |
| 2009-11-17 | Marked which methods in the protocol are optional. |
| 2009-07-13 | Added descriptions of restored transaction methods. |
| 2009-05-01 | Minor edits. |
| 2009-03-12 | New document that describes an interface for observing transactions updated by the payment queue. |
© 2012 Apple Inc. All Rights Reserved. (Last updated: 2012-09-19)