This filter allows you to select the first trace in the event log for every (trace) variant, where the (trace) variants are determined by the key (classifier / global event attribute / attribute).
- 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. Based on the selected key, the trace variants are determined. Variants with their sizes (numbers of traces) are shown on the right. At the bottom left, you can select whether to filter these first traces in (select them) or out (select all others).