Notify a Slack channel when Microsoft To Do tasks are completed

First, we need to connect Microsoft To Do and Slack to IFTTT.

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  Create IFTTT account.

  Create IFTTT account if you don't have one.

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  Connect Microsoft To Do to IFTTT.

  Give IFTTT access to your Microsoft To Do account, using Microsoft To Do credentials.

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  Connect Slack to IFTTT.

  Give IFTTT access to your Slack account, using Slack credentials.

Next, we need to create a workflow automation scenario using graphical no-code web interface of IFTTT.

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  Set up a Trigger action for Microsoft To Do

  Choose the following trigger: Task in list completed (This trigger fires when a task in a given list is completed).

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  Then set up an Action for Slack

  Choose this action: Post to channel (This Action will post a message to the channel you choose in Slack.).

Finally, we need to test this automation and publish it.

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  Customize data flow

  Configure the data that is exchanged between Microsoft To Do and Slack.

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  Test the workflow and turn it on for production use

  Test your scenario and publish to production. Now you have an automatic workflow, that will Notify a Slack channel when Microsoft To Do tasks are completed!