Topic Triggers in Microsoft Copilot Studio

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In Microsoft Copilot Studio, topic triggers control when a topic starts. By default, topics use the Phrases trigger, which activates when specific phrases match a user’s message. Other trigger types let you handle various activities.

Trigger Types
Triggers define how an agent responds to different activities. Here are the trigger types:

Phrases: Activates when trigger phrases match the user’s message.
Activity Received: Fires for any type of activity.
Message Received: Commonly fires when a user types or speaks to the agent.
Event Received: Activates for events like custom interactions.
Conversation Update Received: Fires when a user joins a conversation (e.g., in Teams).
Invoke Received: Activates for actions like interacting with Teams extensions.
Inactivity: Fires when a user is inactive for a set time.

How to Change Triggers

Open the Topics page in Copilot Studio.
Select a topic and hover over the Phrases trigger.
Click the Change trigger icon and choose a new trigger type.
1. Note: Changing the trigger type deletes any existing content for that trigger. Confirm before proceeding.
Edit the new trigger’s properties as needed.