@microsoft/teams.apps/dist/events/activity.d.ts

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import { Activity, IToken } from '@microsoft/teams.api';
import { IEvent, ISender } from '../types';
/**
 * the event emitted by a plugin
 * when an activity is received
 */
export interface IActivityEvent extends IEvent {
    /**
     * the sender of the event
     */
    sender: ISender;
    /**
     * inbound request token
     */
    token: IToken;
    /**
     * inbound request activity payload
     */
    activity: Activity;
}