declare function listenSchedulePingUnique(filterFn: (event: SchedulePingContract) => boolean | Promise<boolean>, fn: (event: SchedulePingContract) => void): () => void;
Subscribes to schedule ping events, delivering the callback once per new signal id.
Schedule pings fire every tick while a resting entry waits for activation; this collapses them to one callback per scheduled signal.
| Parameter | Description |
|---|---|
filterFn |
Predicate selecting which events are considered |
fn |
Callback invoked once per new signal id |