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Home > @loopback/core > Application > lifeCycleObserver
Application.lifeCycleObserver() method
Register a life cycle observer class
Signature:
lifeCycleObserver<T extends LifeCycleObserver>(ctor: Constructor<T>, nameOrOptions?: string | BindingFromClassOptions): Binding<T>;
Parameters
| Parameter | Type | Description |
|---|---|---|
| ctor | Constructor<T> | A class implements LifeCycleObserver |
| nameOrOptions | string | BindingFromClassOptions | (Optional) Optional name or options for the life cycle observer |
Returns:
Binding<T>