Ajax call to core Controller Prestashop 1.6

[techhead]

Hi,

 

I'm just wondering if someone can let me know the correct way to call a core controller using Ajax in Prestashop 1.6.

 

I tried the following:

 

var query = $.ajax({
type: 'POST',
url: baseDir + 'override/controllers/front/StoresController',
data: 'method=getStates&country='+country,
dataType: 'json',
success: function(json){
console.log('Success');
}
})

 

I get a 403 error when that code runs.

 

Any help is appreciated. Thanks.