Get the start start of an activity in a certain tracking period.
This function can only be called after P2Tracking:construct_schedule_prediction calling the function and returns the activity start time for activities that started before the current status date of the tracking period (i.e. activities that are already finished or in progress).
I/O | Type | Name | Description |
---|---|---|---|
input | integer | ID | activity ID |
input | integer | ID | ID of the tracking period |
output | integer | start | activity start time or 99999999 when not started yet |