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Not able to access the relational table using the ModelDrivenFormIntegration for the Lookup type

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Posted on by Community Power Pla... Microsoft Employee

Any help would be appreciated here.

I am trying to get the Field value of the Lookup type Entity (Customer Assets) through the ModelDrivenFormIntegration (Work Order) in a Canvas App.

Below is the formula that I am applying

LookUp(
 'Customer Assets',
 'Customer Asset'=[@ModelDrivenFormIntegration].Item.'Primary Incident Customer Asset'.'Customer Asset'
).Name

"[@ModelDrivenFormIntegration].Item" refers to the Work order table.

I am able to see the Customer Asset's name in Canvas app.

However, when i Saved and Published it, not able to get the same value in the D365 Field Service.

We have already tried solution such as adding timer and updateContext but nothing seems to be working.

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Microsoft Dataverse with Power Apps

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Ram Prakash Duraisamy 5,775 Super User 2026 Season 1 on at

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Hello @Anonymous,

Did you PATCH the Update to the System

Set(customerAseetName,LookUp( 'Customer Assets', 'Customer Asset'=[@ModelDrivenFormIntegration].Item.'Primary Incident Customer Asset'.'Customer Asset' ).Name); Patch(TableName,{TableUniqueID: GUID/USE LOOKUP},{customerAseetFieldName,customerAseetName})

For update you can use https://debajmecrm.com/using-patch-function-in-canvas-app-to-update-a-cds-record-based-on-value-of-non-primary-key-field/ for your reference

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Community Power Pla... Microsoft Employee on at

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Hi @rampprakash ,
I tried your solution and added this formula on Screen's OnVisible Property

Set(customerAssetName ,LookUp( 'Customer Assets', 'Customer Asset'=[@ModelDrivenFormIntegration].Item.'Primary Incident Customer Asset'.'Customer Asset' )); Set(nameOfAsset, Patch('Work Orders', { 'Work Order Number': ModelDrivenFormIntegration.Item.'Work Order Number'}, {'Customer Asset': customerAssetName}))

and added this in Text property of Text Component

nameOfAsset.'Customer Asset'.Name

and it didn't work. also, it started giving me this error in the D365 work order where I have embedded my canvas app.

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Ram Prakash Duraisamy 5,775 Super User 2026 Season 1 on at

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Hello @Anonymous ,

As per the error it is expecting mandatory field called msdyn_name

So try passing that value also in PATCH

Set(customerAssetName ,LookUp(
'Customer Assets',
'Customer Asset'=[@ModelDrivenFormIntegration].Item.'Primary Incident Customer Asset'.'Customer Asset'
));

Set(nameOfAsset, Patch('Work Orders', { 'Work Order Number': ModelDrivenFormIntegration.Item.'Work Order Number'}, {msdyn_name:nameofworkorder,'Customer Asset': customerAssetName}))

Please mark as Answer if it is helpful and provide Kudos

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Blog : https://microsoftcrmtechie.blogspot.com

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