I would like to define a process to do some calculations (activity_lead, pu_first) Hello everyone, I'm trying to calculate wit PQL different metrics like the Number of cases which flow through a certain process with specified activities . I'm using activity_lead and pu_first for that. For example (this is the PIZZA CASE): SUM( CASE WHEN PU_FIRST("CASE_TABLE", "EVENT_TABLE"."ACTIVITY_EN") = 'Order by phone' AND ACTIVITY_LEAD("EVENT_TABLE"."ACTIVITY_EN", 1) = 'Start preparing pizza' AND ACTIVITY_LEAD("EVENT_TABLE"."ACTIVITY_EN", 2) = 'Start baking pizza' AND ACTIVITY_LEAD("EVENT_TABLE"."ACTIVITY_EN", 3) = 'Baking pizza ready' AND ACTIVITY_LEAD("EVENT_TABLE"."ACTIVITY_EN", 4) = 'Plan route' AND ACTIVITY_LEAD("EVENT_TABLE"."ACTIVITY_EN", 5) = 'Departure pizza' AND ACTIVITY_LEAD("EVENT_TABLE"."ACTIVITY_EN", 6) = 'Pizza arrives at customer'