key of event

In stopOn of a flow, the key of the runs that the event stops: the runs of the flow whose own key answers the same.

Value

An arrow over { data } of the event, which answers the key. An event in stopOn always states it.

Example

stopOn: event('order.cancelled', { key: ({ data }) => data.order })

Errors

code.T1014: an event in stopOn with no key.

See also

word.event, option.flow.stopOn, option.flow.key