@Ziggy Zulueta You can click on the search service setting to load the search service details of your custom QA project.
The index used should be based on the name of your project. You can navigate to your Azure search resource in Azure portal and lookup the indexes based on the project name. Thanks!!
If this answers your query, do click Accept Answer
and Yes
for was this answer helpful. And, if you have any further query do let us know.