Issue with cordovaEmailComposer plugin on iOS

Hello to all.

I have an issue with cordovaEmailComposer plug-in on iOS.

On ionic it’s working OK (see app id: 521b3b63 > menu Contact > send us e-mail), but it’s not working neither on iOS emulator nor iOS devices:

code:
//EMAIL SENDER
.controller(‘EmailSenderCtrl’, function($scope, $cordovaEmailComposer) {

$scope.sendContactMail = function(){
//Plugin documentation here: http://ngcordova.com/docs/plugins/emailComposer/

$cordovaEmailComposer.isAvailable().then(function() {
  // is available
    $cordovaEmailComposer.open({
      to: xx@xx.com',
      cc: 'xx@xx.com',
      subject: 'Contact from xx app',
      body: 'xxx xxx'
    })
    .then(null, function () {
      // user cancelled email
    });
}, function () {
  // not available
});

};

})