Multiselect lookup option in modeldriven apps

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Posted on by anonymous_12-34

I have a PONo as lookup column in project master dataverse table as 1 project can have multiple po no so in model driven app form and view I want that po lookup filed as multiselect option.

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Microsoft Dataverse with Power Apps

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Jonathan Manrique 2,687 on at

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Hi

I share with you the official documentation

It is important that you know that it is not an OOBT feature, you must use code to be able to use this feature

Use multi-table lookup columns - Power Apps | Microsoft Learn

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Fubar 8,463 Super User 2026 Season 1 on at

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A Lookup field type is the child in a 1 to many relationship and can only hold 1 value. You would need to create a many-to-many relationship between your Project and the table with PONo, and then use a subgrid to capture the multiple records (you could improve the 'clunkyness' of associating them by applying a Code Component you can see some examples in the PCF Gallery).

note: the link in the previous response by someone else refers to having a lookup that can hold different record types (but is still limited to 1 value) to give functionality like the Customer Lookup where it can hold a Contact or a Account record but for tables of your choice.

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