Filter DataSet

How to do filter dataset in my page, doesn’t work as the example of the wix code: https://www.wix.com/code/reference/wix-data.html#filter

My code is:
import wixData from ‘wix-data’;
import wixUsers from ‘wix-users’;
$w.onReady(function () {

let user = wixUsers.currentUser; 
let isLoggedIn = user.loggedIn; 
	
user.getEmail().then( (email) => { 

	let userEmail = email;  // "user@something.com" 
	console.log("userEmail="+userEmail); 

	$w("#datasetRVCausaAcao").setFilter( wixData.filter() 
	.contains("email", userEmail) 
		
	); 
	$w("#datasetRVCausaAcao").refresh(); 
}); 

});
How can I work around it?

Hi!
First guess is wrong field name (“email”) or empty/wrong userMail variable
Can you please share link to the site so i can check it?

The database has to be with Write & Read