diff --git a/angular.json b/angular.json
index 22a9167..f12cd48 100644
--- a/angular.json
+++ b/angular.json
@@ -158,5 +158,8 @@
       }
     }
   },
-  "defaultProject": "ngx-google-analytics-sdk"
+  "defaultProject": "ngx-google-analytics-sdk",
+  "cli": {
+    "analytics": "cb79ff66-c50d-40a8-9f71-075d6508beeb"
+  }
 }
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 585f2b0..60ccd31 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1735,7 +1735,7 @@
     },
     "@types/q": {
       "version": "0.0.32",
-      "resolved": "http://registry.npmjs.org/@types/q/-/q-0.0.32.tgz",
+      "resolved": "https://registry.npmjs.org/@types/q/-/q-0.0.32.tgz",
       "integrity": "sha1-vShOV8hPEyXacCur/IKlMoGQwMU=",
       "dev": true
     },
@@ -2280,7 +2280,7 @@
         },
         "util": {
           "version": "0.10.3",
-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
           "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
           "dev": true,
           "requires": {
@@ -2394,7 +2394,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -2840,7 +2840,7 @@
     },
     "browserify-aes": {
       "version": "1.2.0",
-      "resolved": "http://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz",
       "integrity": "sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==",
       "dev": true,
       "requires": {
@@ -2877,7 +2877,7 @@
     },
     "browserify-rsa": {
       "version": "4.0.1",
-      "resolved": "http://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz",
       "integrity": "sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=",
       "dev": true,
       "requires": {
@@ -3446,7 +3446,7 @@
     },
     "colors": {
       "version": "1.1.2",
-      "resolved": "http://registry.npmjs.org/colors/-/colors-1.1.2.tgz",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.1.2.tgz",
       "integrity": "sha1-FopHAXVran9RoSzgyXv6KMCE7WM=",
       "dev": true
     },
@@ -3730,7 +3730,7 @@
     },
     "create-hash": {
       "version": "1.2.0",
-      "resolved": "http://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz",
       "integrity": "sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==",
       "dev": true,
       "requires": {
@@ -3743,7 +3743,7 @@
     },
     "create-hmac": {
       "version": "1.1.7",
-      "resolved": "http://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz",
+      "resolved": "https://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz",
       "integrity": "sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==",
       "dev": true,
       "requires": {
@@ -4001,7 +4001,7 @@
       "dependencies": {
         "globby": {
           "version": "6.1.0",
-          "resolved": "http://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
           "integrity": "sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=",
           "dev": true,
           "requires": {
@@ -4014,7 +4014,7 @@
           "dependencies": {
             "pify": {
               "version": "2.3.0",
-              "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
               "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
               "dev": true
             }
@@ -4134,7 +4134,7 @@
     },
     "diffie-hellman": {
       "version": "5.0.3",
-      "resolved": "http://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz",
       "integrity": "sha512-kqag/Nl+f3GwyK25fhUMYj81BUOrZ9IuJsjIcDE5icNM9FJHAVm3VcUDxdLPoQtTuUylWm6ZIknYJwwaPxsUzg==",
       "dev": true,
       "requires": {
@@ -4412,7 +4412,7 @@
     },
     "es6-promisify": {
       "version": "5.0.0",
-      "resolved": "http://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
       "integrity": "sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=",
       "dev": true,
       "requires": {
@@ -4617,7 +4617,7 @@
         },
         "array-flatten": {
           "version": "1.1.1",
-          "resolved": "http://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
           "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=",
           "dev": true
         },
@@ -5105,7 +5105,7 @@
     },
     "fs-access": {
       "version": "1.0.1",
-      "resolved": "http://registry.npmjs.org/fs-access/-/fs-access-1.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/fs-access/-/fs-access-1.0.1.tgz",
       "integrity": "sha1-1qh/JiJxzv6+wwxVNAf7mV2od3o=",
       "dev": true,
       "requires": {
@@ -6354,7 +6354,7 @@
     },
     "is-accessor-descriptor": {
       "version": "0.1.6",
-      "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+      "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
       "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
       "dev": true,
       "requires": {
@@ -6413,7 +6413,7 @@
     },
     "is-data-descriptor": {
       "version": "0.1.4",
-      "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+      "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
       "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
       "dev": true,
       "requires": {
@@ -6949,7 +6949,7 @@
     },
     "jasmine-core": {
       "version": "2.99.1",
-      "resolved": "http://registry.npmjs.org/jasmine-core/-/jasmine-core-2.99.1.tgz",
+      "resolved": "https://registry.npmjs.org/jasmine-core/-/jasmine-core-2.99.1.tgz",
       "integrity": "sha1-5kAN8ea1bhMLYcS80JPap/boyhU=",
       "dev": true
     },
@@ -7206,7 +7206,7 @@
     },
     "karma-jasmine-html-reporter": {
       "version": "0.2.2",
-      "resolved": "http://registry.npmjs.org/karma-jasmine-html-reporter/-/karma-jasmine-html-reporter-0.2.2.tgz",
+      "resolved": "https://registry.npmjs.org/karma-jasmine-html-reporter/-/karma-jasmine-html-reporter-0.2.2.tgz",
       "integrity": "sha1-SKjl7xiAdhfuK14zwRlMNbQ5Ukw=",
       "dev": true,
       "requires": {
@@ -7649,7 +7649,7 @@
     },
     "media-typer": {
       "version": "0.3.0",
-      "resolved": "http://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
       "integrity": "sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=",
       "dev": true
     },
@@ -8601,7 +8601,7 @@
     },
     "os-homedir": {
       "version": "1.0.2",
-      "resolved": "http://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
       "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
       "dev": true
     },
@@ -8618,7 +8618,7 @@
     },
     "os-tmpdir": {
       "version": "1.0.2",
-      "resolved": "http://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
       "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=",
       "dev": true
     },
@@ -8969,7 +8969,7 @@
     },
     "path-is-absolute": {
       "version": "1.0.1",
-      "resolved": "http://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
       "dev": true
     },
@@ -9612,7 +9612,7 @@
       "dependencies": {
         "pify": {
           "version": "2.3.0",
-          "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
           "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
           "dev": true
         }
@@ -10082,7 +10082,7 @@
     },
     "safe-regex": {
       "version": "1.1.0",
-      "resolved": "http://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
       "integrity": "sha1-QKNmnzsHfR6UPURinhV91IAjvy4=",
       "dev": true,
       "requires": {
@@ -10359,7 +10359,7 @@
     },
     "sha.js": {
       "version": "2.4.11",
-      "resolved": "http://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz",
+      "resolved": "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz",
       "integrity": "sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==",
       "dev": true,
       "requires": {
@@ -10897,7 +10897,7 @@
     },
     "sprintf-js": {
       "version": "1.0.3",
-      "resolved": "http://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
       "dev": true
     },
@@ -11078,7 +11078,7 @@
     },
     "string_decoder": {
       "version": "1.1.1",
-      "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
       "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
       "dev": true,
       "requires": {
@@ -11102,7 +11102,7 @@
     },
     "strip-eof": {
       "version": "1.0.0",
-      "resolved": "http://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
       "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8=",
       "dev": true
     },
@@ -11297,7 +11297,7 @@
     },
     "through": {
       "version": "2.3.8",
-      "resolved": "http://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
       "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
       "dev": true
     },
@@ -11533,7 +11533,7 @@
     },
     "tty-browserify": {
       "version": "0.0.0",
-      "resolved": "http://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.0.tgz",
       "integrity": "sha1-oVe6QC2iTpv5V/mqadUk7tQpAaY=",
       "dev": true
     },
diff --git a/projects/ngx-google-analytics/src/lib/directives/ga-event-form-input.directive.ts b/projects/ngx-google-analytics/src/lib/directives/ga-event-form-input.directive.ts
index 6d4d167..b901f0c 100644
--- a/projects/ngx-google-analytics/src/lib/directives/ga-event-form-input.directive.ts
+++ b/projects/ngx-google-analytics/src/lib/directives/ga-event-form-input.directive.ts
@@ -15,10 +15,17 @@ export class GaEventFormInputDirective {
     this.gaBind = 'focus';
   }
 
-  @Input() set gaBind(bind: GaBind) {
+  @Input()
+  set gaBind(bind: GaBind) {
     if (this.gaEvent) {
       this.gaEvent.gaBind = bind;
     }
   }
 
+  get gaBind(): GaBind {
+    return (this.gaEvent)
+      ? this.gaEvent.gaBind
+      : null;
+  }
+
 }
diff --git a/projects/ngx-google-analytics/src/lib/services/google-analytics.service.ts b/projects/ngx-google-analytics/src/lib/services/google-analytics.service.ts
index cf26487..45e6104 100644
--- a/projects/ngx-google-analytics/src/lib/services/google-analytics.service.ts
+++ b/projects/ngx-google-analytics/src/lib/services/google-analytics.service.ts
@@ -10,15 +10,15 @@ import { GtagFn } from '../types/gtag.type';
 })
 export class GoogleAnalyticsService {
 
-  private get document(): Document {
-    return this._document;
-  }
+  private readonly document: Document;
 
   constructor(
     @Inject(NGX_GOOGLE_ANALYTICS_SETTINGS_TOKEN) private readonly settings: IGoogleAnalyticsSettings,
-    @Inject(DOCUMENT) private readonly _document: any,
+    @Inject(DOCUMENT) readonly _document: any,
     @Inject(NGX_GTAG_FN) private readonly _gtag: GtagFn
-  ) { }
+  ) {
+    this.document = _document;
+  }
 
   private throw(err: Error) {
     if ((this.settings.ennableTracing || isDevMode()) && console && console.error) {