Used Code
import wixData from 'wix-data';
let first = 3;
let second = 2;
let third = 1;
let fourth = 0;
export function button1_click(event) {
let award = $w("#award").value;
if (award === "first") {
$w('#myDataset').setFieldValue('addPoints', first);
$w("#myDataset").save();
} else if (award === "second") {
$w('#myDataset').setFieldValue('addPoints', second);
$w("#myDataset").save();
} else if (award === "third") {
$w('#myDataset').setFieldValue('addPoints', third);
$w("#myDataset").save();
} else {
$w('#myDataset').setFieldValue('addPoints', fourth);
$w("#myDataset").save();
}
}



