This filter allows you to select the traces in the event log based on the key (classifier / global event attribute) values of their first events.
- The input log is available.
- The input log has at least one key.
- The input log has at least one event.
At the top left, you can select the key. Keyvalues for the first events are shown on the right. At the bottom left, you can select whether to filter the traces with a matching value in (select them) or out (select all others).