Count nodes after mapping occurs

Summary

Loop over some values and count the number which match a criteria

Content

Hi all,

Having a hard time trying to figure out how to do this. I have an integration that queries an external source, which returns a JSON list of objects, and a value for recordcount.  My integration then loops over the data and pulls out only the records it's interested in, and returns that as a JSON response to the caller, together with its own recordcount.

The issue I have is that the recordcount from the original query will not be the same as the count I want to return. So for example in my integration  when called returns the following JSON response: