Here is what you need to do after the Send an HTTP request action -
Initialize Variable for storing the parsed ID (that we are going to do in the next steps) -
- Add ‘Initialize Variable‘ action to initialize a variable of type, ‘String’ and name it ‘ID’

Parse JSON to Save the ID from the JSON -
- For the ‘Content‘ in the image below, navigate to ‘Add Dynamic Content‘ line and choose the ‘Body‘ option inside the ‘Send an HTTP request to SharePoint‘ action.
- For the Schema, paste the body of Get HTTP request. You will get this from the run history.

Apply to each
- For the ‘Select an output from previous steps‘ in the image below, navigate to ‘Add Dynamic content‘ line and choose ‘Value‘ inside the ‘Parse JSON‘ action.
- Then, add a ‘Set Variable‘ action and for the ‘Name‘, select ‘ID‘ from the drop down menu and for ‘Value’, navigate to the ‘Add Dynamic content’ line, and choose ‘ID’ inside the ‘ParseJSON‘ action.

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