How to define a Signal in TypeScript

defineSignal

TypeScript

import { defineSignal } from '@temporalio/workflow';

interface JoinInput {
  userId: string;
  groupId: string;
}

export const joinSignal = defineSignal<[JoinInput]>('join');

JavaScript

import { defineSignal } from '@temporalio/workflow';

export const joinSignal = defineSignal('join');