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Update read only field

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Posted on by lumos

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Greetings !

i have a flow where if list1 is modified then the item will be added to list2, every field is working fine but when it comes to these 2 field titled ActionPartyLookup and ImpactLookup, the field cannot be updated.

when the flow is running, i got this error
"The 'inputs.parameters' of workflow operation 'Create_item' of type 'OpenApiConnection' is not valid. Error details: The API operation does not allow writing a value for parameter 'item/ActionPartyLookup[0]/Value'. This parameter is read only."

i already follow workaround from "Solved: Re: Read Only Error Setting SharePoint Multi-Perso... - Power Platform Community (microsoft.com)" but its not working

below is my flow to:

the one that i circled with red marker is the issue., field type is lookup

Thank you !

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v-jefferni on at

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Hi @lumos ,

If the two LookUp columns both allow multiple selections, instead of populating the two array variables with LookUp column Values, you need to use LookUp column Ids.

To accomplish this, you can use Select operators, create two arrays to include Ids in the two LookUp columns, and use corresponding output of Select in Create/Update item action.

Select:

Set in Create item action:

Best regards,

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lumos 114 on at

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@v-jefferni , thank you for responding
i cant seem to follow your step because of this :
the apply to each is applied,so i cannot set Create item action. how to resolve this?

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v-jefferni on at

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Hi @lumos ,

Get item, Initialize variable and Apply to each are not needed in the flow.

Best regards,

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lumos 114 on at

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this time around still fail and get the same error but when i look at the output it seems like the passing process of every field works well.

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v-jefferni on at

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Hi @lumos ,

You've selected wrong values from dynamic contents in Select operators. Mapping fields are Id and LookUp column Id.

Best regards,

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