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Identifiy if an email is new or appart of a Chain

Is there a way to check if an email is new or appart of an existing mail chain?

When I get a new email I want flow to create a new Planner tasks, but when the email is appart of an existing email chain I want it to add comment to the existing task.


Situations example:

- A contact send me an new email  = Create new Task
- A contact's first reply to an email I sent = create new task
- I reply to an email - add comment to existing task
- A contact reply to my email - add comment to existing task 

Community Support Team
Community Support Team

Re: Identifiy if an email is new or appart of a Chain

Could you please explain a bit for the Email Chain?


For working with Planner, please check the following connector document:


You may also take a look at the available template:




Community Support Team _ Michael Shao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
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Re: Identifiy if an email is new or appart of a Chain

The email chain would be RE:, FW:, etc....  So when a user recieved the first email the flow will create the task, but if there are additional emails (where someone click Reply,Reply All, Or Forward), we want to update the existing Task, not create a new one. 

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