ReadonlyactivityThe incoming activity being processed.
ReadonlyappThe BotApplication instance processing this turn.
Send a reply to the conversation that originated this turn.
Accepts a plain text string (sent as a message activity) or a
partial CoreActivity for full control over the reply payload.
Routing fields are automatically populated from the incoming activity.
Send a typing indicator to the conversation.
Notifies the user that the bot is processing their request. Routing fields are automatically populated from the incoming activity.
Context for a single activity turn, passed to handlers and middleware.
Provides the incoming activity, a reference to the bot application, and a scoped send method that automatically routes replies back to the originating conversation.
Example