Activities
In object-centric process mining (OCPM), an activity is the type of event that was executed, for example the business step such as create order, add item, or ship goods. Every activity can refer to a set of attributes, such as the location at which it is executed.
Example 249.
Minimal OCEL example with the activity "Create Invoice".
{
"ocel:events": [
{
"ocel:eid": "e3",
"ocel:activity": "Create Invoice",
"ocel:timestamp": "2026-03-01T10:45:00Z",
"amount": 120.50
}
],
"ocel:relations": [
{ "ocel:eid": "e3", "ocel:oid": "order-123", "ocel:qualifier": "billed-order" },
{ "ocel:eid": "e3", "ocel:oid": "cust-9", "ocel:qualifier": "bill-to" }
]
}