the shop search bar not working

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1

hi i made a search bar in my shop page like this video, but it not working
https://www.youtube.com/watch?v=mTRSPNosLRw
i made it by this code
but nothing happen when i typing in the search

import wixData from ‘wix-data’;

export function iTitle_keyPress_1(event,$w) {
console.log($w(‘#iTitle’).value);
filter($w(‘#iTitle’).value);
}

function filter(title) {
$w(‘#dataset1’).setFilter(wixData.filter().contains(‘name’,title ));
}

how can i fix the search bar?
thanks