Hi @sam nick ,
Thanks for using Microsoft Q&A forum and posting your query.
Looks like you are using extra $
(nothing but root of the response body) which is causing the issue. Please configure the Absolute URL as below and it should help fix the problem.
After configuring as above and when you click on JSON payload of your copy activity, you will see the configuration as below in the JSON payload.
Hope this info helps.
Please don’t forget to Accept Answer
and Yes
for "was this answer helpful" wherever the information provided helps you, this can be beneficial to other community members.