Get the activity classifier of an object of class eventlog.
activity_id(x)# S3 method for eventlog
activity_id(x)
# S3 method for eventlog_mapping
activity_id(x)
An eventlog of eventlog_mapping
eventlog: Retrieve activity identifier from eventlog
eventlog_mapping: Retrieve activity identifier from eventlog mapping
Other Eventlog classifiers: activity_instance_id,
case_id, lifecycle_id,
mapping, resource_id,
timestamp