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Patch() identical named lookup columns in dataverse tables, using the context of an open form/modern commanding in model driven powerapps

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Posted on by sryzm

Want to create a Custom Command Button in the main form on CANDIDATE table, to copy Qualified candidates in the open form in a model drivel app, to Team table, upon Command button click. This is in the modern commanding in Model driven Powerapps (Not a Canvas app). This is a Dataverse table to table copy.

Both source and target tables have the same named lookup column "Country", and each is a lookup to the COUNTRY table by respective Candidate_Country and Team_Country relationships.

What is the Patch() expression that copies the current lookup value in CANDIDATE.COUNTRY to TEAM.COUNTRY, keeping in mind that the button is operating in the context of an open form/ selected record, and disambiguation may be required, given identical lookup column names?

Been banging my head on a wall and appreciate the community's help. Running into what I think are disambiguation issues. I tried with no joy:

Patch (TEAM, Defaults(Team),

{Country : CANDIDATE[@Country]}

)

Also had issues using a Lookup() and /or with disambiguation. Read through a lot of documentation and I either can get a direct answer, or examples related to canvas app collections, sharepoint, etc. This is a dataverse to table to table copy using a custom modern command which will have this patch statement in it. When user presses this command in an open form in a model driven app, the open [selected] record should copy over.

See screenshot for example.

Thanks in advance!

-yz

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Microsoft Dataverse with Power Apps

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Jonathan Manrique 2,687 on at

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Hi @yozu

It is a little simpler than it seems, but we must know how to combine the formulas and above all one that should be used is With

I show you an example code that allows you to clone and another that allows you to create

If( Confirm( "Desea duplicar el registro con los siguientes datos: " & "Alumno: " & Self.Selected.Item.Alumno.'Nombre completo' & Char(10) & "Programa: " & Self.Selected.Item.Programa & Char(10) & "Asignatura: " & Self.Selected.Item.Asignatura; { Title: "Duplicar registro Pago Matricula"; Subtitle: "¿Está seguro que desea duplicar el registro indicado?"; ConfirmButton: "Aceptar"; CancelButton: "Cancelar" } ); With( { newRecord: Patch( 'Pago de Matriculas'; Defaults('Pago de Matriculas'); { Alumno: Self.Selected.Item.Alumno; Sección: Self.Selected.Item.Sección } ) }; Navigate( LookUp( 'Pago de Matriculas'; Código = newRecord.Código ) ) );Notify( "No ha creado ningún registro duplicado"; NotificationType.Information; 4000 ) )

If( Confirm( "Desea Crear un Registro de Control Financiero para : " & Self.Selected.Item.Alumno.'Nombre completo'; { Title: "Registro Control Financiero"; Subtitle: "¿Está seguro que desea crear un (1) registro?"; ConfirmButton: "Aceptar"; CancelButton: "Cancelar" } ); With( { ControlFinanciero: Patch( 'Control Financieros'; Defaults('Control Financieros'); {Concepto: Self.Selected.Item.Nombre}; {'Tipo de Registro': 'Tipo de Registro'.Ingreso}; {'Tipo de Ingreso': 'Tipo de Ingreso'.'Pago de Inscripción'}; {'Fecha Registro': Self.Selected.Item.'Fecha de pago'}; {Monto:Self.Selected.Item.'Total Inscripción'}; {'Pago de Inscripción': LookUp('Inscripción Programas';Inscripción = Self.Selected.Item.Inscripción)} ) }; With( { ActualizarInscripcion: Patch( 'Inscripción Programas'; Self.Selected.Item; {'Control Financiero': ControlFinanciero}; {Estado:'Estado (Inscripción Programas)'.Inactivo}; {'Razón para el estado':'Razón para el estado (Inscripción Programas)'.'Control Financiero'} ) }; With( { Navegar: Navigate(LookUp('Control Financieros';'Pago de Inscripción'.Inscripción=Self.Selected.Item.Inscripción)) }; ControlFinanciero ) )); Notify( "No ha creado a ningún registro de Control Financiero"; NotificationType.Information; 4000 ))
You can adapt it to your needs, but the key is to use with and know how to relate the lookup fields

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Verified answer

ivan_apps 2,187 Moderator on at

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Yea you have to pass in a ‘Record’ type value in the Patch. So instead of CANDIDATE[@Country] … you would put in ‘Self.Selected.Item.Country’
Self.Selected.Item references the current open form so that’s what you are missing.

now if for whatever reason Self.Selected.Items.Country doesn’t resolve to a ‘Record’ type, you would simply replace it with a Lookup(). For example:
{Country : Lookup(Country, Name = Self.Selected.Item.Country.Name)}

using the With() function is sometimes necessary to stage the lookup as a variable before executing the Patch command.
ex:
With(
{
varLookupResult: lookup(…)
},
Patch([reference varLookupResult here])
)

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