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Custom Multiselect Dropdown

Hey guys, I need a multidrop down like this

The problem I'm encountering is Our Default Multi Select Dropdown is not match what requirement expected:

The Select all in our default is not an options can choose in the list but an checkbox on the left of the Search

Can I get some way to solve this UI => The Select All should be an option that we can choose in the dropdown list? Thank you

2026-05-21 04-48-12
Deepa Tiwari

Hi @Huy Le ,
Have you seen this component.
Multiple Selection Dropdown - Overview (O11) | OutSystems 

it has same view which you want-

Hope this will help you.
Regards

Deepa

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Łukasz Kaproń

Hi @Huy Le 

You can try to use DropdownServerSide Component. With this, we built similar compontonent to the one you provided.

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