@Ishani.lad We have created a workflow on Activity module. where in I want to track. if the record owner exceeds the time link of the activity and its status is not completed that user should be notified over a mail using mail alert function of workflow.
sharing you Screenshot of workflow for the reference
For the primary condition, please select the first option: “When a field in the target module changes to or from a specified value.” Then choose the “End Date” field and set this