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Himashi
Regular Visitor

Call a Teams Chatbot via a Power Automate Flow

Hi.

I created a chatbot using Power Virtual Agents and added it to a Teams channel. When someone posts a message on the Teams channel, I want to reply to that message using Power Automate. This Power Automate message should be able to @mention and call the chatbot. Is there a way to accomplish this?

 

Thanks in advance. 

1 ACCEPTED SOLUTION

Accepted Solutions
Expiscornovus
Most Valuable Professional
Most Valuable Professional

Hi @Himashi,

 

First of all great question, very interesting scenario 🙂

 

You could use the Graph API and the Reply to a message in a channel method. In that request you can reply with an at-mention to the bot and add a topic trigger text.

 

Below is a short example.

 

1. Add a When a new channel message is added trigger action

 

whenanewchannelmessageisadded02.png

 

2. Add a Send an HTTP request action (Office 365 Groups Connector)

 

Use the following URI & the POST method

https://graph.microsoft.com/v1.0/teams/@{triggerOutputs()?['body/channelIdentity']['teamId']}/channels/@{triggerOutputs()?['body/channelIdentity']['channelId']}/messages/@{triggerOutputs()?['body/id']}/replies

 

Use the json below for the body.

Replace the variables with your values for the topic trigger phrase, bot name & bot app id.

{
    "body": {
        "contentType": "html",
        "content": "<div><div><at id=\"0\">@{variables('BotName')}</at> @{variables('PVATopicTrigger')}</div></div>"
    },
    "mentions": [
        {
            "id": 0,
            "mentionText": "@{variables('BotName')}",
            "mentioned": {
                "device": null,
                "user": null,
                "conversation": null,
                "tag": null,
                "application": {
                    "id": "@{variables('BotAppId')}",
                    "displayName": "@{variables('BotName')}",
                    "applicationIdentityType": "bot"
                }
            }
        }
    ]
}

 

atmentionbotviagraphapi.png

 

Btw, I have also written a blog about this approach with a bit more details:

https://www.expiscornovus.com/2022/06/10/mention-a-bot-with-a-flow/

 



Happy to help out! 🙂

Interested in more #PowerAutomate #SharePointOnline or #MicrosoftCopilotStudio content?
Visit my blog, Subscribe to my YouTube channel or Follow me on Twitter


View solution in original post

5 REPLIES 5
Expiscornovus
Most Valuable Professional
Most Valuable Professional

Hi @Himashi,

 

First of all great question, very interesting scenario 🙂

 

You could use the Graph API and the Reply to a message in a channel method. In that request you can reply with an at-mention to the bot and add a topic trigger text.

 

Below is a short example.

 

1. Add a When a new channel message is added trigger action

 

whenanewchannelmessageisadded02.png

 

2. Add a Send an HTTP request action (Office 365 Groups Connector)

 

Use the following URI & the POST method

https://graph.microsoft.com/v1.0/teams/@{triggerOutputs()?['body/channelIdentity']['teamId']}/channels/@{triggerOutputs()?['body/channelIdentity']['channelId']}/messages/@{triggerOutputs()?['body/id']}/replies

 

Use the json below for the body.

Replace the variables with your values for the topic trigger phrase, bot name & bot app id.

{
    "body": {
        "contentType": "html",
        "content": "<div><div><at id=\"0\">@{variables('BotName')}</at> @{variables('PVATopicTrigger')}</div></div>"
    },
    "mentions": [
        {
            "id": 0,
            "mentionText": "@{variables('BotName')}",
            "mentioned": {
                "device": null,
                "user": null,
                "conversation": null,
                "tag": null,
                "application": {
                    "id": "@{variables('BotAppId')}",
                    "displayName": "@{variables('BotName')}",
                    "applicationIdentityType": "bot"
                }
            }
        }
    ]
}

 

atmentionbotviagraphapi.png

 

Btw, I have also written a blog about this approach with a bit more details:

https://www.expiscornovus.com/2022/06/10/mention-a-bot-with-a-flow/

 



Happy to help out! 🙂

Interested in more #PowerAutomate #SharePointOnline or #MicrosoftCopilotStudio content?
Visit my blog, Subscribe to my YouTube channel or Follow me on Twitter


@Expiscornovus Great and detailed solution. Thank you very much! 

ryeee
Regular Visitor

@Expiscornovus 
Thanks for the solution presented. However, it appears that this is not working as of this writing.
I read your vlog and tried replicating the flow but was getting this error message.
URI path is not a valid Graph endpoint, path is neither absolute nor relative or resource/object is not supported for this connector.
I tested the uri through graph explorer and it works but does not with the http connecter in powerautomate.

Expiscornovus
Most Valuable Professional
Most Valuable Professional

Hi @ryeee,

 

The action has changed and is now limited to only the groups resource. In this example we are not using that type of resource, that's why you are getting that error. You can replace this action by a HTTP action instead.

 

That action is however part of a premium connecter and you would also need to register an app in Entra Id for the Oath authentication.



Happy to help out! 🙂

Interested in more #PowerAutomate #SharePointOnline or #MicrosoftCopilotStudio content?
Visit my blog, Subscribe to my YouTube channel or Follow me on Twitter


bruna_rs
New Member

@Expiscornovus Could you please post this last solution?

 

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