# Select multiple not updating through tracking pixel

**URL:** <https://forum.mautic.org/t/select-multiple-not-updating-through-tracking-pixel/18533>\
**Category:** Product Support\
**Tags:** mautic-3, discussion, community\
**Created:** [March 11, 2021, 3:06pm UTC](https://forum.mautic.org/t/select-multiple-not-updating-through-tracking-pixel/18533 "2021-03-11T15:06:26Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![namratasaun](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/namratasaun/32/2801_2.png) [@namratasaun](https://forum.mautic.org/u/namratasaun)\
**Post date:** [March 11, 2021, 3:06pm UTC](https://forum.mautic.org/t/select-multiple-not-updating-through-tracking-pixel/18533/1 "2021-03-11T15:06:26Z")

</div>

What should I send in the mt pageview function to update custom field of type select multiple?  
not able to this like

> mt(‘send’, ‘pageview’, {email: “hello@bdhjwb.sjbd”, test: [78,23]})

or

> mt(‘send’, ‘pageview’, {email: “hello@bdhjwb.sjbd”, test: 78,23})