"Create File" tool doesn't work with Topic

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Posted on by CU17061645-1

Hi!

I want to setup Copilot Agent that creates a file in OneDrive for each message sent by the user.

I created an Agent in Copilot Studio, set up the Topic for a "A message received" trigger (which means for each user's message), and added the tool "OneDrive - Create file" as an action.
In that tool, there are 3 parameters: Folder Path, File Name, and File Content. I tried to set them as dynamic value, as variable, as hardcoded text...

However, when I send a message to bot, I receive an error: The parameter with name 'file' is required to call the connector. And the behaviour is the same for any parameter values in the tool.
Also, exactly the same situation for SharePoint - Create File.

I tried to use the same tool in Agent Flows, adding it as an action after the trigger "When a new channel message is added" (Teams), and passing "Message body content" variable as File Content. And in this case it worked.

Am I doing something wrong? Or is it just not suitable for topic action? Any other approach to do that?

Thanks

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Michael E. Gernaey 53,488 Super User 2025 Season 2 on at

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HI @CU17061645-1

The issue is, you are setting them to dynamic, but the person is merely sending you a message, there is no File Content etc to actually execute against.

You need to either provide that in (hard coded values), variables, or have already captured that somewhere that provides it Globally to other Topics, otherwise there won't be anything there to pass in.

That's why its failing.

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CU17061645-1 15 on at

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Hi @Michael E. Gernaey

I tried dynamic, hardcoded text, variables - and received the same error for all cases.

Anyway, I've found another solution:

1. I created an Agent Flows with the trigger "When the agent calls the flow"
2. For that trigger I specified an input text parameter "Message"
3. Then I added an action "Create file" (the same I tried for Topic). "File content" = "Message" parameter
4. In my topic for the trigger "A message received", I added an action Tool (the one I created in Agent Flows) and pass the "Message" = "Activity.Text" variable

Now it works. The only thing left: I don't see how to prevent the bot from answering user's question in such a case. But currently it's not critical for me

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