I have used the following code to get the item (As user insert only once )
wixData.query("user").eq("_ownerId", "ffdkj9c2-df8g-f9ke-lk98-4kjhfr89keedb")
.find()
.then( (results) => {
let firstItem = results.items[0]; //see item below
})
/* firstItem is:
*
* {
* "_id": "00001",
* "_owner": "ffdkj9c2-df8g-f9ke-lk98-4kjhfr89keedb",
* "_createdDate": "2017-05-24T12:33:18.938Z",
* "_updatedDate": "2017-05-24T12:33:18.938Z",
* "title": "Mr.",
* "first_name": "John",
* "last_name": "Doe"
* }
*/
how can i get the "_id " of this item