Source IDs are an easy way to attach information about various traffic sources for tracking links. They can be found in any tracking report, down to the impression level and they are a great way for affiliates to keep track of their various campaigns. To add a source value to the tracking link, click ‘Add Source’ and enter the value, then click Update. You can also add a source value to any tracking link by adding this
For the above tracking link, Replace the appropriate macros from your tracking system with “AFFSUB” and “SOURCE” placeholder values. As an example, their tracking system could have a macro for ad placement that you use to replace “AFF_SUB”, and another macro for traffic source that you use to replace “SOURCE”.