diff --git a/types/odata/index.d.ts b/types/odata/index.d.ts
index 349d48763b..e56ac4296c 100644
--- a/types/odata/index.d.ts
+++ b/types/odata/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for odata v0.3.4
+// Type definitions for odata v0.3
 // Project: https://github.com/janhommes/odata
 // Definitions by: Jan Hommes <https://github.com/janhommes>, Jean-Christophe Chalte <https://github.com/jcchalte>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
@@ -26,14 +26,16 @@ declare module 'odata' {
     }
 
     interface OHandler<T> {
-        inlinecount : number
-        data : T
+        inlinecount: number;        // if inlinecount is set, here the counting is gold
+        data: T;                    // holds the data after an callback
+        param: {};				    // this object holds all parameter for a route
 
         config<T>(options ?: Options) : OHandler<T>
         progress<T>(callback : () => any) : OHandler<T>
 
-        get<T>(callback ?: (data : T) => void) : Q.Promise<OHandler<T>>
-        save<T>(callback ?: (data : T) => void) : Q.Promise<OHandler<T>>
+        get<T>(callback ?: (data : T) => void, errorCallback?: (status: number) => void) : Q.Promise<OHandler<T>>
+        save<T>(callback ?: (data : T) => void, errorCallback?: (status: number) => void) : Q.Promise<OHandler<T>>
+        query: () => string;
 
         post<T>(params : any) : OHandler<T>
         patch<T>(params : any) : OHandler<T>
@@ -78,11 +80,14 @@ declare module 'odata' {
         deleteRef<T>(resource : string, id : string | number) : OHandler<T>
     }
 
-    interface OFn<T> extends OHandler<T> {
-        (options ?: string | Options) : OHandler<T>
+    interface OHandlerStatic {
+        (): OHandlerStatic;
+        (options?: string | Options): OHandler<{}>;
+        config: (config: Options) => OHandlerStatic;
+        isEndpoint: () => boolean;
     }
 
-    var o : OFn<{}>;
+    var o : OHandlerStatic;
 
     export = o
 }
\ No newline at end of file
diff --git a/types/odata/odata-tests.ts b/types/odata/odata-tests.ts
index 58e1505f21..743c5cd906 100644
--- a/types/odata/odata-tests.ts
+++ b/types/odata/odata-tests.ts
@@ -20,6 +20,8 @@ interface Category {
 o('http://services.odata.org/V4/OData/OData.svc/Products')
     .get<Product>(function(data) {
         console.log(data); //returns an array of Product data
+    }, function(status) {
+        console.error(status); // error with status
     });
 
 
@@ -70,7 +72,8 @@ o('http://services.odata.org/V4/OData/OData.svc/Products(2)')
     .get<Product>()
     .then(function(oHandler) {
         console.log(oHandler.data);
-    }).fail(function(ex) {
+    })
+    .fail(function(ex) {
         console.log(ex);
     });
 
@@ -114,10 +117,12 @@ o('http://services.odata.org/V4/OData/OData.svc/Products')
     .get<Product>()
     .then(function(oHandler) {
         oHandler.data.Name="NewName";
-        return(o.save<Product>());
-    }).then(function(oHandler) {
+        return(oHandler.save<Product>());
+    })
+    .then(function(oHandler) {
         console.log(oHandler.data.Name); //NewName
-    }).fail(function(ex) {
+    })
+    .fail(function(ex) {
         console.log("error");
     });
 
@@ -132,7 +137,12 @@ o('Products').get<Product>(function(data) {
     //same result like the first example on this page
 });
 
-
+const oEequest = o('http://services.odata.org/V4/OData/OData.svc/Products')
+    .find(2);
+const queryString = oEequest.query();
+if (queryString !== 'http://services.odata.org/V4/OData/OData.svc/Products(2)') {
+    throw new Error('assert error');
+}
 
 //basic config
 o().config({