How to view custom field in Application reports?
To view the custom fields in the Application reports:
Step 1 - Go to the Applications reports tab from the Side Navigation Bar.
Step 2 - At the top right, you can see the All Applications filter. Click on the dropdown option.
Step 3 - Select the workflow whose application report you want to generate.
Step 4 - Now you can see all the custom fields that you have created for this particular workflow.