[@ModelDrivenFormIntegration].Item seems to return empty at OnStart

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Posted on by kojima

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Hello,

We have an existing Power Apps canvas app and are looking to integrate it with a Model Driven app.

We discovered that the "ModelDrivenFormIntegration" appears to serve as a bridge between the canvas app and the model-driven app. Initially, we assumed that simply passing the record ID (GUID) of a specific record from the Account table would suffice. However, this method doesn't seem to work.

We placed the "ModelDrivenFormIntegration" in the "OnStart" property of App, intending to display the GUID in a label. Unfortunately, the label appears empty.

Could anyone provide insights or solutions to this issue?

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Michael E. Gernaey 53,969 Moderator on at

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Hello, @bs-dev001

It would be more like
ModelDrivenFormIntegration.Item or ModelDrivenFormIntegration.Item.Account or whatever Table it is or GUID(First(ModelDrivenFormIntegration.Data).ItemId)

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Michael Gernaey MCT | MCSE | MCP | Self-Contractor| Ex-Microsoft
https://gernaeysoftware.com
LinkedIn: https://www.linkedin.com/in/michaelgernaey

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kojima 108 on at

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I have tried that already. Neither one works. At "OnStart", a bridge between the canvas app and the model driven app may not be initialized?? @FLMike

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Michael E. Gernaey 53,969 Moderator on at

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Hi @bs-dev001

If you have embedded the app on a screen, lets pretend a Contact screen, it is absolutely going to be initialized before because the context is already there(since its an entity/table screen).

I'd be more apt to believe that its not embedded correctly or that the Integration isn't actually there. Can you show a picture of the Canvas App in the Editor and show that the integration object is there please.

It will be there, if its setup correctly. I would even try something simple. Put a label on the screen, set the text property to the item guid if its blank, then its not embedded correctly.

Cheers
If you like my answer, please Mark it as Resolved, and give it a thumbs up, so it can help others
Thank You
Michael Gernaey MCT | MCSE | MCP | Self-Contractor| Ex-Microsoft
https://gernaeysoftware.com
LinkedIn: https://www.linkedin.com/in/michaelgernaey

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kojima 108 on at

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The integration is there for sure. I can see `ModelDrivenFormIntegration` in a tree view of the Editor screen and both DataSource and OnDataRefresh property points to the correct table.

What I have just tried is that I cleared out OnStart property and then I created a button and on its OnSelect property, I put `Set(recordGUID, GUID(First(ModelDrivenFormIntegration.Data).ItemId))`.
When I press the button, I can see GUID as text in a label(of course Text property in the label is `recordGUID` variable). This makes me believe the context is not passed to the canvas app properly on `OnStart`
@FLMike

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kojima 108 on at

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I found this post on the community. Just FYI. Someone from Microsoft said "ModelDrivenFormIntegration object is loaded asynchronously."
Solved: How to Set ModelDrivenFormIntegration control's It... - Power Platform Community (microsoft.com)

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Michael E. Gernaey 53,969 Moderator on at

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hi @bs-dev001

Actually, the Context is there, its a matter of timing on when its populated yes, but I mistakenly thought you meant it just wasn't ever there, that's why I asked you to put the label on.

Glad you have it sorted!

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Cedricbob1 2 on at

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I had the same problem.

I found that using the "OnDataRefresh" event from the "ModelDrivenFormIntegration" object fired the event at the right time

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