<button clip-copy="getTextToCopy()" clip-click="alertMes()">
          Click to Copy
</button>

var adAssetModule = angular.module('adAsset', ['ngRoute']);
AssetModule.config(['$routeProvider', function ($routeProvider) {
$routeProvider.when('/', {
    controller: 'assetsController',
    templateUrl: '/app/index.html'
})
    .otherwise({ redirectTo: '/' });

}]);

adAssetModule.controller('assetsController', ['$scope', 'dataFactory',
function($scope, dataFactory){
  ....
}]);

var copyApp = angular.module('clip', ['ngClipboard']);
copyApp.controller("Main", function($scope){
 $scope.getTextToCopy = function() {
     return $scope.text;
 };
});