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How do i patch a multi select person column without deleting previous entries?

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Posted on by Spawn10

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I am trying to update a multi select person SharePoint column with the patch below. This patch statement removes all others already in the column, and then adds only the new one.

Patch(
   myList,
	LookUp(
	  myList, ID = Value(Param("ID"))),
	  {
	    myColumn: Table (
              {
		'odata.typr': "@Microsoft.Azure.Connectors.SharePoint.SPListExpandedUser",
		Claims: User().Email,
		DisplayName: User().FullName,
		Department: "",
		Email: User().Email,
		JobTitle: "",
		Picture: ""	    
	      })
   	  }      
   );

How do i get to append the new user into the column, without deleting the previous names in the column?

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AmínAA 1,228 Moderator on at

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Greetings Spawn10!

I'm not entirely sure I understand what you're trying to achieve, but If I'm not mistaken, you want your code to concatenate the previous table you had, with a new t able, as in appending the new values to the column as a table after the table you already had . . . If that's the case then this implementation might work, altough I'm not sure since I've never done this one like this before!

Patch( myList, LookUp( myList, ID = Value(Param("ID")) ), { myColumn: Concat( myColumn, Table( { 'odata.type': "@Microsoft.Azure.Connectors.SharePoint.SPListExpandedUser", Claims: User().Email, DisplayName: User().FullName, Department: "", Email: User().Email, JobTitle: "", Picture: "" } ) ) } )

Hopefully this does solve your problem, if that's the case, feel free to mark this reply as an answer, otherwise feel free to reply for further help as well!

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WarrenBelz 155,315 Most Valuable Professional on at

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Hi Spawn10,

You need to get the existing content first, then patch it all back as a Table. Your first part also needs to be converted to this format first.

With( { _Record: LookUp( myList, ID = Value(Param("ID"))) ) }, Patch( myList, { ID: _Record.ID, myColumn: Table( { Claims: "i:0#.f|membership|" & Lower(User().Email), DisplayName: User().FullName, Department: "", Email: User().Email, JobTitle: "", Picture: "" }, _Record.myColumn ) } ) )

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Spawn10 330 on at

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To patch to the multi select people column in SharePoint, without deleting the users already in the item, this is what I ended up doing...
//collect current users ClearCollect(currentUsers,LookUp(myList,ID = Value(Param("ID"))).myColumn); //add current user Collect(currentUsers { 'odata.typr': "@Microsoft.Azure.Connectors.SharePoint.SPListExpandedUser", Claims: User().Email, DisplayName: User().FullName, Department: "", Email: User().Email, JobTitle: "", Picture: "" }); //then patch Patch(myList, First(Filter(myList, ID = Value(Param("ID"))))),{myColumn:currentUsers});

That seems to have done the trick. Still open to learning a better way, if there is.

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WarrenBelz 155,315 Most Valuable Professional on at

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Spawn10 ,

You will find what I posted is much simpler and does not leave a collection "hanging around" in the app resources.

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