Reaction time(in hours) for first activity marked as done

Janis Balodis_32982

Wanted to track reaction time for first activity marked as done of new deal by hours, any suggestions how to do it? 

Amit Sarda (AmitSarda.xyz)

I don't think there is a way to do this in Pipedrive. You may be able to do it in Zapier, but it is far easier to set this up in a Google Sheets as an ad-hoc report.