source Context Variable

Pass in any context and get it back in the callback method by using the source context variable.

For an example of how to use source in an error handling context, see Error Handling with the AJAX Toolkit.

AJAX Toolkit Developer Guide
When to Use the AJAX Toolkit
Working with the AJAX Toolkit
API Calls and the AJAX Toolkit
Synchronous and Asynchronous Calls with the AJAX Toolkit
Object Functions
Data Types in AJAX Toolkit
source Context Variable
Debugging with the AJAX Toolkit
Example Calls Using the Ajax Toolkit
SOAP (AJAX) API End-of-Life Policy
SOAP Header Options with the AJAX Toolkit
Error Handling with the AJAX Toolkit
Advanced Topics
Previous Versions