<div ng-controller="loginCtrl">
username<input ng-model="username">
password<input ng-model="password">
<button ng-click="submit()">Send</button>
</div>

angular.module('app',[]).controller('loginCtrl', function($scioe) {
 $scope.submit = function() {
   globalStore.dispatch({action: 'LOGIN', payload: {
        username: $scope.username,
        password: $scope.password
        }})
   }
})