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In Project Automation How Can I set Assignee via Email Address

Vikrant Yadav
Community Champion
February 11, 2026

Hi Experts, 

I have a scenario where an Incoming Webhook is used as the trigger in a Project Automation rule. The webhook payload contains custom data, from which I am able to retrieve the user’s email address.

However, when I use this email address as a smart value in the Assignee field, it fails and shows an error.

Could you please suggest how I can set a User Picker field or the Assignee field using an email address?

 

2 answers

2 accepted

4 votes
Answer accepted
Marc -Devoteam-
Community Champion
February 11, 2026

Hi @Vikrant Yadav 

You would need to story the email address in variable.

Then sent a web request with an url encode on the variable to get the account ID.

Then you can use the smart value {{webResponse.body.accountId}}, to set the reporter, assignee or any user picker field.

Example, I created a variable called EMAIL

Screenshot 2026-02-03 at 10.48.48.png

Vikrant Yadav
Community Champion
February 11, 2026

Thanks @Marc -Devoteam-  I was thinking for a solution without a web request. 

When we update assignee via CSV using email address it works 

But not working in project automation. 

Thanks Marc! 

Like Marc -Devoteam- likes this
1 vote
Answer accepted
Bill Sheboy
Rising Star
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Rising Stars are recognized for providing high-quality answers to other users. Rising Stars receive a certificate of achievement and are on the path to becoming Community Champions.
February 11, 2026

Hi @Vikrant Yadav 

Without seeing your entire rule and the audit log details, I wonder what error is showing.

A work item can be assigned using the email address with the Edit Work Item action, but not the Assign Work Item action.  The "trick" may be one of timing, where the email address can be first extracted to a Create Variable and then use that variable in the edit action.

Kind regards,
Bill

Vikrant Yadav
Community Champion
February 11, 2026

Hi @Bill Sheboy  Thanks a lot as always! 😊😊✌️

Edit Work item action works fine. Able to set assignee via email address.

 

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