API docs: context.contextview.on_1 | LoopBack Documentation

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ContextView.on() method

The “unbind” event is emitted a new binding is removed from the view.

Signature:

on(eventName: 'unbind', listener: <V>(event: ContextViewEvent<V> & {
        cachedValue?: V;
    }) => void): this;

Parameter	Type	Description
eventName	‘unbind’	The name of the event - always `unbind`.
listener	<V>(event: ContextViewEvent<V> & { cachedValue?: V; }) => void	The listener function to call when the event is emitted.

Returns:

this