# Multi-Select Dropdown issue (only last item selected works)

**URL:** <https://forum.adalo.com/t/multi-select-dropdown-issue-only-last-item-selected-works/28518>\
**Category:** External Collections, Custom Actions & Collections\
**Created:** [June 21, 2022, 9:25am UTC](https://forum.adalo.com/t/multi-select-dropdown-issue-only-last-item-selected-works/28518 "2022-06-21T09:25:34Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Dilon](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.adalo.com/dilon/32/39815_2.png) [@Dilon](https://forum.adalo.com/u/Dilon)\
**Post date:** [June 21, 2022, 10:04am UTC](https://forum.adalo.com/t/multi-select-dropdown-issue-only-last-item-selected-works/28518/3 "2022-06-21T10:04:00Z")

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Hi @CyrilVan,

For setup this component you need a Many to Many relationship between that collection and the Users collection!

Check this! : [Multi Select.mp4 - Google Drive](https://drive.google.com/file/d/1quAGMNtGO-U19gzYmNiu3VJPy2wNo0M6/view?usp=sharing)

Edit : Just saw Mario’s post! Added Nicely!

Thank you

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