diff --git a/Definitions/toastr-1.0.d.ts b/Definitions/toastr-1.0.d.ts
index fe2253e61f..f442e63e34 100644
--- a/Definitions/toastr-1.0.d.ts
+++ b/Definitions/toastr-1.0.d.ts
@@ -3,7 +3,8 @@
 // Definitions by: Boris Yankov <https://github.com/borisyankov/>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
-interface ToastOptions {
+
+interface ToastrOptions {
     tapToDismiss?: bool;
     toastClass?: string;
     containerId?: string;
@@ -22,16 +23,24 @@ interface ToastOptions {
     timeOut?: number;
     titleClass?: string;
     messageClass?: string;
+
+    onclick?: () => void;
+}
+
+interface ToastrDisplayMethod {
+    (message: string): void;
+    (message: string, title: string): void;
+    (message: string, title: string, overrides: ToastrOptions): void;
 }
 
 interface Toastr {
-    options: ToastOptions;
+    options: ToastrOptions;
 
     clear(): void;
-    info(message: string, title?: string): void;
-    warning(message: string, title?: string): void;
-    success(message: string, title?: string): void;
-    error(message: string, title?: string): void;
+    info: ToastrDisplayMethod;
+    warning: ToastrDisplayMethod;
+    success: ToastrDisplayMethod;
+    error: ToastrDisplayMethod;
 }
 
-declare var toastr: Toastr;
\ No newline at end of file
+declare var toastr: Toastr;
diff --git a/Tests/toastr-tests.ts b/Tests/toastr-tests.ts
index 0c59776a24..8b49e29ad3 100644
--- a/Tests/toastr-tests.ts
+++ b/Tests/toastr-tests.ts
@@ -1,10 +1,19 @@
-/// <reference path="../Definitions/toastr-1.0.d.ts" />
-
+/// <reference path="../Definitions/toastr-1.0.d.ts" />
+
 function test_basic() {
-    toastr.info('Are you the 6 fingered man?');
+    toastr.info('Are you the 6 fingered man?');
     toastr.warning('My name is Inigo Montoya. You Killed my father, prepare to die!');
     toastr.success('Have fun storming the castle!', 'Miracle Max Says');
     toastr.error('I do not think that word means what you tink it means.', 'Inconceivable!');
+    toastr.clear();
+
+    var msg = 'Do you think Rodents of Unusual Size really exist?';
+    var title = 'Fireswamp Legends';
+    var overrides = { timeOut: 250 };
+    toastr.warning(msg, title, overrides);
+
+    toastr.options.onclick = function () {
+    }
 }
 
 declare var $;