diff --git a/google.analytics/ga-tests.ts b/google.analytics/ga-tests.ts
index ba4f80dea..acff9eb55 100644
--- a/google.analytics/ga-tests.ts
+++ b/google.analytics/ga-tests.ts
@@ -23,6 +23,16 @@ describe('UniversalAnalytics', () => {
         ga('create', 'UA-65432-1', 'auto', {some: 'config'});
         ga('send', 'pageview');
         ga('send', 'pageview', {some: 'details'});
+        ga('send', 'event', 'Videos', 'play', 'Fall Campaign');
+        ga('send', {hitType: 'event', eventCategory: 'Videos', eventAction: 'play', eventLabel: 'Fall Campaign'});
+        ga('send', 'event', 'Videos', 'play', 'Fall Campaign', {nonInteraction: true});
+        ga('send', 'pageview', '/page');
+        ga('send', 'social', {'socialNetwork': 'facebook', 'socialAction': 'like', 'socialTarget': 'http://foo.com'});
+        ga('send', 'social', {'socialNetwork': 'google+', 'socialAction': 'plus', 'socialTarget': 'http://foo.com'});
+        ga('send', 'timing', {'timingCategory': 'category', 'timingVar': 'lookup', 'timingValue': 123});
+        ga('send', 'timing', {'timingCategory': 'category', 'timingVar': 'lookup', 'timingValue': 123, 'timingLabel': 'label'});
+        ga('trackerName.send', 'event', 'load');
+
         ga.create('UA-65432-1', 'auto');
         ga.create('UA-65432-1', {some: 'config'});
         ga.create('UA-65432-1', 'auto', {some: 'config'});
@@ -30,7 +40,7 @@ describe('UniversalAnalytics', () => {
         ga.getByName('aNamedTracker');
     });
     it('should excercise Tracker APIs', () => {
-        var tracker: UniversalAnalytics.Tracker = ga('create', 'UA-65432-1', 'auto');
+        var tracker: UniversalAnalytics.Tracker = ga.create('UA-65432-1', 'auto');
         var aString: string = tracker.get<string>('aString');
         var aNumber: number = tracker.get<number>('aNumber');
         var anObject: {} = tracker.get<{}>('anObject');
diff --git a/google.analytics/ga.d.ts b/google.analytics/ga.d.ts
index a8e1b1e25..68d0293a4 100644
--- a/google.analytics/ga.d.ts
+++ b/google.analytics/ga.d.ts
@@ -38,17 +38,56 @@ interface GoogleAnalytics {
 
 declare module UniversalAnalytics {
     // https://developers.google.com/analytics/devguides/collection/analyticsjs/method-reference
+    
+    enum HitType {
+        'pageview', 'screenview', 'event', 'transaction', 'item', 'social', 'exception', 'timing'
+    }
 
     interface ga {
         l: number;
         q: any[];
-        (command: string, poly: string, opt_poly?: {}): UniversalAnalytics.Tracker;
-        (command: string, trackingId: string, auto: string, opt_configObject?: {}): UniversalAnalytics.Tracker;
-        (command: string, hitDetails: {}): void;
-        create(trackingId: string, opt_configObject?: {}): UniversalAnalytics.Tracker;
-        create(trackingId: string, auto: string, opt_configObject?: {}): UniversalAnalytics.Tracker;
+        
+        (command: 'send', hitType: 'event', eventCategory: string, eventAction: string,
+            eventLabel?: string, eventValue?: number, fieldsObject?: {}): void;
+        (command: 'send', hitType: 'event', fieldsObject: {
+            eventCategory: string,
+            eventAction: string,
+            eventLabel?: string,
+            eventValue?: number,
+            nonInteraction?: boolean}): void;
+        (command: 'send', fieldsObject: {
+            hitType: HitType, // 'event'
+            eventCategory: string,
+            eventAction: string,
+            eventLabel?: string,
+            eventValue?: number,
+            nonInteraction?: boolean}): void;
+        (command: 'send', hitType: 'pageview', page: string): void;
+        (command: 'send', hitType: 'social',
+            socialNetwork: string, socialAction: string, socialTarget: string): void;
+        (command: 'send', hitType: 'social',
+            fieldsObject: {socialNetwork: string, socialAction: string, socialTarget: string}): void;
+        (command: 'send', hitType: 'timing',
+            timingCategory: string, timingVar: string, timingValue: number): void;
+        (command: 'send', hitType: 'timing',
+            fieldsObject: {timingCategory: string, timingVar: string, timingValue: number}): void;
+        (command: 'send', fieldsObject: {}): void;
+        (command: string, hitType: HitType, ...fields: any[]): void;
+        
+        (command: 'create', trackingId: string, cookieDomain?: string, name?: string, fieldsObject?: {}): void;
+        (command: 'remove'): void;
+        
+        (command: string, ...fields: any[]): void;
+        
+        (readyCallback: (defaultTracker?: UniversalAnalytics.Tracker) => void): void;
+        
+        create(trackingId: string, cookieDomain: string, name: string, fieldsObject?: {}): UniversalAnalytics.Tracker;
+        create(trackingId: string, cookieDomain: string, fieldsObject?: {}): UniversalAnalytics.Tracker;
+        create(trackingId: string, fieldsObject?: {}): UniversalAnalytics.Tracker;
+        
         getAll(): UniversalAnalytics.Tracker[];
         getByName(name: string): UniversalAnalytics.Tracker;
+        remove(name:string): void;
     }
 
     interface Tracker {