...
key:id=customfield_10121
map:firstName=customfield_10065
map:lastName=customfield_10066
map:email.emailAddress=customfield_10104
map:employmentDateData.hireDate=customfield_10105
map:workLocation.city=customfield_10053
config:summary='New Hire: ', {customfield_10065}, ' ', {customfield_10066}
Any field supported by Paycor can be mapped in this way.
...