Thanks for the info, Peter. Good to know it is possible.So to break this problem up I wanted to start with working out the code to check if there is a lead with the field "Customer...
Thanks, Sanford! Would that look like this?
## Look for Service Appointment Start Times
#foreach ($Service_Appointment_Start_Time__c in ${TASKRAY__Project_Task__cList.get(0)})
## ...