listenSignalLiveOnce

declare function listenSignalLiveOnce(filterFn: (event: IStrategyTickResult) => boolean, fn: (event: IStrategyTickResult) => void): () => void;
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Subscribes to filtered live signal events with one-time execution.

Only receives events from Live.run() execution. Executes callback once and automatically unsubscribes.

Parameters

Parameter	Description
filterFn	Predicate to filter which events trigger the callback
fn	Callback function to handle the filtered event (called only once)