diff --git a/jquery.ajaxfile/jquery.ajaxFile-tests.ts b/jquery.ajaxfile/jquery.ajaxFile-tests.ts
index 4a98706a4..e5f82fb00 100644
--- a/jquery.ajaxfile/jquery.ajaxFile-tests.ts
+++ b/jquery.ajaxfile/jquery.ajaxFile-tests.ts
@@ -4,7 +4,7 @@
 
 function testRawApi(){
 	var inputElement:HTMLInputElement = null;
-	var resultPromise = AjaxFile.send({
+	var resultPromise = AjaxFile.send<number>({
 		method: 'POST',
 		url: '/',
 		desiredResponseDataType: JQueryAjaxFile.DataType.Json,
@@ -42,7 +42,7 @@ function testJQuery() {
         global: true,
         timeout: 60
     };
-    extension.ajaxWithFile(option);
+    extension.ajaxWithFile<number>(option);
 }
 
 function testKnockoutExtension(){
diff --git a/jquery.ajaxfile/jquery.ajaxFile.d.ts b/jquery.ajaxfile/jquery.ajaxFile.d.ts
index 459287a27..ff0a18a59 100644
--- a/jquery.ajaxfile/jquery.ajaxFile.d.ts
+++ b/jquery.ajaxfile/jquery.ajaxFile.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for jquery.ajaxfile v0.1.0
+// Type definitions for jquery.ajaxfile v0.2.0
 // Project: https://github.com/fpellet/jquery.ajaxFile
 // Definitions by: Florent PELLET <https://github.com/fpellet/>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
@@ -35,27 +35,28 @@ declare namespace JQueryAjaxFile {
 		isSuccess: boolean;
 	}
 
-	interface IAjaxFileResult {
+	interface IAjaxFileResult<T> {
 		error?: any;
 		data?: any;
 		status?: IResponseStatus;
 	}
 
-	interface IAjaxFileResultCallback {
-		(result: IAjaxFileResult): void;
+	interface IAjaxFileResultCallback<T> {
+		(result: IAjaxFileResult<T>): void;
 	}
 
-	interface IAjaxFilePromise {
-		then(success: IAjaxFileResultCallback, error?: IAjaxFileResultCallback): IAjaxFilePromise;
-		done(success: IAjaxFileResultCallback): IAjaxFilePromise;
-		fail(error: IAjaxFileResultCallback): IAjaxFilePromise;
-		always(error: IAjaxFileResultCallback): IAjaxFilePromise;
+	interface IAjaxFilePromise<T> {
+		then(success: IAjaxFileResultCallback<T>, error?: IAjaxFileResultCallback<T>): IAjaxFilePromise<T>;
+		done(success: IAjaxFileResultCallback<T>): IAjaxFilePromise<T>;
+		fail(error: IAjaxFileResultCallback<T>): IAjaxFilePromise<T>;
+		always(error: IAjaxFileResultCallback<T>): IAjaxFilePromise<T>;
 
 		abord(): void;
 	}
 
 	interface IAjaxFileStatic {
-		send(option: IOption): IAjaxFilePromise;
+		DataType: typeof DataType;
+		send<T>(option: IOption): IAjaxFilePromise<T>;
 	}
 	
 	interface IJQueryXHR {
@@ -97,7 +98,7 @@ declare namespace JQueryAjaxFile {
     }
 
     interface IAjaxFileJQueryExtension {
-        ajaxWithFile(jqueryOption: IJQueryOption): JQueryDeferred<any>;
+        ajaxWithFile<T>(jqueryOption: IJQueryOption): JQueryDeferred<T>;
     }
 }