Need to know how to pass query in grafana SimpleJSON datasource

Hi Team,
I have installed grafana in my local PC and installed SimpleJSON datasource plugin for API calls. Now I have configured remedy rest API URL in the datasource successfully.

I don’t know how to pass the query in grafana to remedy API to fecth data from remedy API which will be used to build dashboard.

Please help me on how to build query and passing it to grafana datasource.