You can apply a filter to target participants who have not raised money. After creating the Coaching Email, you can Set Up Delivery.
  1. When managing the TeamRaiser event, on the Coaching Emails tab, click Begin Delivery
  2. On the Select Email Audience step, mark the radio button for Current Event Participants
  3. Click Next
  4. Select the appropriate Participation types
  5. Click Next
  6. Select the appropriate Registration filters
  7. Click Next
  8. On the Team Filters step, click Configure Additional Filters under Related Actions
  9. Enter the Minimum Donation Amount: $0
  10. Enter the Maximum Donation Amount: $1
  11. Click Next
  12. Continue adding any other filters or configurations as desired
  13. On the Review Delivery Details step, under the Filters Applied section, you should see the Filter Condition "Participants with less than $1 in donations."
  14. When ready, if everything looks good, click Send Immediately