1. Go to Communities > Advocacy and select the Action Center Name
  2. Click on its Reports tab then select the Detail sub tab. 
  3. Next click on Advocacy Action Recipient.  (If you need to run this report for a specific action item, select Issue Name from the first drop, select = from the second drop down and enter the exact title of the action item in the available field.)
  4. Click on the Finish button.
  5. Select 'No - Run the report immediately and wait for it to complete.' on the next screen then click on the Run Report button.

    This report lists all targets that received at least one message from an activist, and the number of messages they received.