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Planner Task to reset checklist


I currently have a flow that creates a task in planner every Monday. The task it creates is a simple checklist so that I know that myself or someone in my team has changed the drives for the day:


What I would like to do, instead of creating a new task every Monday. Instead to have the flow update the current checklist so that all the items are marked as incomplete? 

I would also like to know, how to get the 'show on card' box ticked for the checklist when creating the task


Many thanks

Super User
Super User

Hi @Slimy,


You could use the Update plannertaskdetails method in a PATCH request within a Send an HTTP request (Office 365 groups connector) action for this.


Below is an example.

I used two checklist items in this example. Be sure to add three more and replace the id 12897 and 32480 by the 5 ids of your checklist items


  "previewType": "checklist",
   "checklist": {
      "@odata.type": "microsoft.graph.plannerChecklistItem",
      "isChecked": false
      "@odata.type": "microsoft.graph.plannerChecklistItem",
      "isChecked": false,


For the E-Tag retrieval I used a GET request and in the custom headers of the second request I used an expression to reuse the E-Tag value

If-Match: "@{slice(body('Send_an_HTTP_request_-_GET')['@odata.etag'], 3, -1)}"





Happy to help out! 🙂

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