Observe Since iii 0.25 every function is observable. connects a source function to a target function: each event of the source that passes the observer's filters invokes the target. It replaces , and an descriptor on replaces . Both old APIs still work in 0.25 (see Migrating from triggers). | Part | Fields | Notes | | --- | --- | --- | | (left side) | , , , , , , | only for owner-delivered functions. (auto only): (default), , . (auto and ): default , allowed. : (default), , | | (right side) | a registered function id (or ) | No inline handler. The observer stays until the target is registered…