Can't call /bpm/api/4.0/process-definition API

Summary

Get an "Failed to generate XML schema from the JSON" when configuring REST endpoint

Content

Hi,

I'm trying to generating an endpoint to call the /bpm/api/4.0/process-definition API.

But when I enter the sample json in the configuration I get the error "Failed to generate XML Schema from the JSON sample. This type of error generally occurs due to two reasons. Either the uploaded JSON was invalid or we could not construct XML schema from it due to the JSON sample having parameters not allowed in XML. The root cause for this particular failure was: Expected name instead of |"