Function once

once<Name>(event, listener, options): Listener
Adds a one time listener for the event. The listener is invoked only the first time the event is fired, after which it is removed.
Type Parameters
- Name extends
      | "blocklist.sync"
      | "call.incoming_call"
      | (keyof ChatEventTypes)
      | "config.update"
      | (keyof ConnEventTypes)
      | "group.participant_changed"
      | "order.payment_status"
      | "status.sync"
      | (keyof WebpackEvents)
      | "alfa"
      | "beta"
Parameters
- event: Name
- listener: ((...args: ListenerType<(BlocklistEventTypes & CallEventTypes & ChatEventTypes & ConfigEventTypes & ConnEventTypes & GroupEventTypes & OrderEventTypes & StatusEventTypes & WebpackEvents & {
  alfa: string;
  beta: ((from: number, to: string) => void);
  })[Name]>) => void)
  - - (...args): void
    - Parameters
      Rest...args: ListenerType<(BlocklistEventTypes & CallEventTypes & ChatEventTypes & ConfigEventTypes & ConnEventTypes & GroupEventTypes & OrderEventTypes & StatusEventTypes & WebpackEvents & {
      alfa: string;
      beta: ((from: number, to: string) => void);
      })[Name]>
      Returns void
- options: OnOptions & {
  objectify: true;
  }
Returns Listener
- Defined in src/eventEmitter/index.ts:60
once<Name>(event, listener, options?): this
Adds a one time listener for the event. The listener is invoked only the first time the event is fired, after which it is removed.
Type Parameters
- Name extends
      | "blocklist.sync"
      | "call.incoming_call"
      | (keyof ChatEventTypes)
      | "config.update"
      | (keyof ConnEventTypes)
      | "group.participant_changed"
      | "order.payment_status"
      | "status.sync"
      | (keyof WebpackEvents)
      | "alfa"
      | "beta"
Parameters
- event: Name
- listener: ((...args: ListenerType<(BlocklistEventTypes & CallEventTypes & ChatEventTypes & ConfigEventTypes & ConnEventTypes & GroupEventTypes & OrderEventTypes & StatusEventTypes & WebpackEvents & {
  alfa: string;
  beta: ((from: number, to: string) => void);
  })[Name]>) => void)
  - - (...args): void
    - Parameters
      Rest...args: ListenerType<(BlocklistEventTypes & CallEventTypes & ChatEventTypes & ConfigEventTypes & ConnEventTypes & GroupEventTypes & OrderEventTypes & StatusEventTypes & WebpackEvents & {
      alfa: string;
      beta: ((from: number, to: string) => void);
      })[Name]>
      Returns void
- Optionaloptions: true | OnOptions
Returns this
- Defined in src/eventEmitter/index.ts:60

Function once

Type Parameters

Parameters

Parameters

Returns void

Returns Listener

Type Parameters

Parameters

Parameters

Returns void

Returns this

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