> For the complete documentation index, see [llms.txt](https://docs.trackwill.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.trackwill.com/campaign/advanced-settings.md).

# Advanced settings

If you have at least one custom conversion event, use custom traffic source postback URLs to send an individual postback URL for each event type back to your traffic source. To do this go to the Campaign Advanced setting tab and click **Plus** button:

![](/files/-LvItwbzaHg_E0wbccL0)

To add another Custom conversion event just click **Plus** button, or click **Trash** button to delete.