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Retrieve message id after posting message in Microsoft Teams after API update

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Posted on by khalper Microsoft Employee

I have a flow I've been using for the past few months that posts a message in Teams and then replies to the same message with more information.

I went in today to make changes to the flow and saw that the previous "post message" and "post a reply" actions were deprecated, so I updated to the newer versions of the actions. Now though, I can't find where to access the messageId - the documentation for the new "post message" action says that the action output is dynamic, and in my flow I can only access variables for the message, team id, and channel id.

With these new actions, how can I retrieve the messageId from the "post message" action so I can pass it in as a parameter to the "post a reply" action?

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jiwhite 498 on at

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It's hard to tell without seeing more of your flow. Can you access the message Id immediately after capturing the message, save the message Id to a variable, then use the variable to reply? Variables are more flexible in their scope than connectors, so that may be a work around that you can use.

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v-yujincui-msft on at

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Hi @khalper ，

Based on your description, I have created a flow on my side, it should work.
Here is my Flow.
Result Screenshot:

Best Regards,
Charlie Choi

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khalper Microsoft Employee on at

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@jiwhite @v-yujincui-msft
Thank you for the help!

Here's more info about the structure of my flow:
I am posting the message inside an "If yes" scope, and then I have another condition check that determines whether or not I will reply to the original message.

I tried the work-around with setting a messageId variable immediately after posting the message, but unfortunately it still doesn't show up in the dynamic content pane.

Just to be sure, I created some test "post message" and "reply message" blocks at outermost level, so they're not inside any conditions or other scopes, but for some reason I still don't see the messageId as dynamic content:
I checked the "peek code" settings to make sure I wasn't somehow accidentally using the deprecated actions, and it looks like the operation IDs match the new actions from the documentation:
Do you have any other suggestions for what to try? Maybe it has something to do with me updating an existing flow and not creating a new one?

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jiwhite 498 on at

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When posting to a chat or channel, I have no problem getting a message Id. Make sure that the variable is initialized as a String. Or, maybe you're right that because it's an existing flow, you're not getting the latest version of the connector, which has Message ID exposed.

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khalper Microsoft Employee on at

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The variable was initialized as a string, so I think I might just have to copy the flow logic over into a new flow. Thanks for looking into it!

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