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@angular/core

OutputRef

interface

A reference to an Angular output.

Subscribing to outputs programmatically

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    API

        
      interface OutputRef<T> {  subscribe(callback: (value: T) => void): OutputRefSubscription;}

    subscribe

    OutputRefSubscription

    Registers a callback that is invoked whenever the output emits a new value of type T.

    Angular will automatically clean up the subscription when the directive/component of the output is destroyed.

    @paramcallback(value: T) => void
    @returnsOutputRefSubscription
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