Add List Item Action with multiple Persons in People Picker

Answered

DieterJauslin

• Created June 23, 2025 06:34

Hi everyone

I got a List with a People Picker field (enabled for multiple values).
When i use the Add List Item Action to create a new item based on values from existing items, i get an error when the people picker field contains more than one value.
Basically i just want to create a copy of an existing item and copy over all existing values.

for example: on an existing list item, the field "to be informed" contains two people. 

[[EHToBeInformed.ID]] will get me both IDs ("11, 12")

Now when creating a new item with the action, using this value, i get the error

Invalid data has been used to update the list item. The field you are trying to update may be read only.

 

Using other value types as .Email or .LoginName dont work either. 

What is the recommended way of populating a people picker with multiple values in an action?

 

Best wishes and thanks a lot

Dieter

 

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• 

  skybow Support

  • June 23, 2025 11:38
  • Edited

  Hi Dieter,

  You can simply use [[EHToBeInformed]] placeholder in the action as assignment expression

  Best regards,
  skybow support

  

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• 

  DieterJauslin

  • June 23, 2025 11:52

  Hallo

  Thank you for this quick answer. That was also my first idea but it does not work.
  I recreated this scenario in my sandbox.

  

   

  None of the names (existing values) are being written to the new item.

  

  Console output:

  

   

   

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• 

  skybow Support

  • June 23, 2025 12:00

  Hi Dieter,

  You need to use Assignment expressions in the field: =[[PeoplePicker]]

  Best regards,
  skybow support

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• 

  DieterJauslin

  • June 23, 2025 12:01

  Hold on a second! ... NOW I SEE! 

  I had to switch to assignment ;o)

  IT WORKS! Thanks a lot

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