Page Contents
Home > @loopback/context > Binding > once
Binding.once() method
The “changed” event is emitted by methods such as tag, inScope, to, and toClass.
Signature:
once(eventName: 'changed', listener: BindingEventListener): this;
Parameters
| Parameter | Type | Description |
|---|---|---|
|
eventName |
‘changed’ |
The name of the event - always |
|
listener |
The listener function to call when the event is emitted. |
Returns:
this