Note: If you have an existing URL template, you'll need to chain, or concatenate, the URL templates together. Facebook-provided click tags are auto-enabled to redirect to other URL templates that are third party redirects. The final chained click tag would appear like the example below. Please use the URL preview functionality to ensure the chaining of templates works.

https://ad.atdmt.com/s/go;adv=1111111111111;c.a=12345;p.a=12345; a.a=12345;qpb=1;cache=12345;?h=https://my.existing.clicktag.com/...