Send a message to the Team Channel from the custom Teams Tab that I developed

Serban 16 Reputation points

I'm building a custom Teams tab app.

It should perform some simple tasks (retrieve some content from some URL) and then send a message to the Channel in which it's added (just like when a user writes a message in the Posts section.

Can somebody please point me to the initial steps for this ? Some introductory documentation, some code sample ?
I can't seem to find the starting point...

Thank you.

Microsoft Teams Development
Microsoft Teams Development
Microsoft Teams: A Microsoft customizable chat-based workspace.Development: The process of researching, productizing, and refining new or existing technologies.
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  1. ChetanSharmamsft 1,026 Reputation points Microsoft Vendor

    Adding answer from comment section for more visibility:

    @Serban - You can send proactive messages while installing/adding bot in Teams channel.
    Reference Docs:

    You can also use Graph API to send message in channel based on your requirement:


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