diff --git a/README.md b/README.md
index 9f7e516..b5e2011 100644
--- a/README.md
+++ b/README.md
@@ -23,5 +23,19 @@ param().top(1).filter(filter({ A: 1 }))
 // => $top=1&$filter=A eq 1
 ```
 
+### filter with type
+
+```ts
+import { filter, Edm } from "@odata/parser";
+
+expect(filter({ A: 1 }).build())
+    .toBe("A eq 1")
+expect(filter({ A: literalValues.String(1) }).build())
+    .toBe("A eq '1'")
+expect(filter({ A: literalValues.Guid("253f842d-d739-41b8-ac8c-139ac7a9dd14") }).build())
+    .toBe("A eq 253f842d-d739-41b8-ac8c-139ac7a9dd14")
+
+```
+
 
 ## [CHANGELOG](./CHANGELOG.md)
diff --git a/src/builder/index.ts b/src/builder/index.ts
index caa4465..1c63318 100644
--- a/src/builder/index.ts
+++ b/src/builder/index.ts
@@ -1,7 +1,7 @@
+import { Edm } from '@odata/metadata';
 import { ODataFilter } from './filter';
 import { ODataParam } from './param';
 
-export { Edm } from '@odata/metadata';
 export * from './batch';
 export * from './filter';
 export * from './param';
@@ -14,3 +14,42 @@ export function param() {
 export function filter(obj?: Record<string, any>) {
   return ODataFilter.New(obj);
 }
+
+/**
+ * edm primitive literal value creators
+ */
+export const literalValues = {
+  Binary: (value: any) => Edm.Binary.createValue(value),
+  Boolean: (value: any) => Edm.Boolean.createValue(value),
+  Byte: (value: any) => Edm.Byte.createValue(value),
+  Date: (value: any) => Edm.Date.createValue(value),
+  DateTimeOffset: (value: any) => Edm.DateTimeOffset.createValue(value),
+  Decimal: (value: any) => Edm.Decimal.createValue(value),
+  Double: (value: any) => Edm.Double.createValue(value),
+  Duration: (value: any) => Edm.Duration.createValue(value),
+  Guid: (value: any) => Edm.Guid.createValue(value),
+  Int16: (value: any) => Edm.Int16.createValue(value),
+  Int32: (value: any) => Edm.Int32.createValue(value),
+  Int64: (value: any) => Edm.Int64.createValue(value),
+  SByte: (value: any) => Edm.SByte.createValue(value),
+  Single: (value: any) => Edm.Single.createValue(value),
+  Stream: (value: any) => Edm.Stream.createValue(value),
+  String: (value: any) => Edm.String.createValue(value),
+  TimeOfDay: (value: any) => Edm.TimeOfDay.createValue(value),
+  Geography: (value: any) => Edm.Geography.createValue(value),
+  GeographyPoint: (value: any) => Edm.GeographyPoint.createValue(value),
+  GeographyLineString: (value: any) => Edm.GeographyLineString.createValue(value),
+  GeographyPolygon: (value: any) => Edm.GeographyPolygon.createValue(value),
+  GeographyMultiPoint: (value: any) => Edm.GeographyMultiPoint.createValue(value),
+  GeographyMultiLineString: (value: any) => Edm.GeographyMultiLineString.createValue(value),
+  GeographyMultiPolygon: (value: any) => Edm.GeographyMultiPolygon.createValue(value),
+  GeographyCollection: (value: any) => Edm.GeographyCollection.createValue(value),
+  Geometry: (value: any) => Edm.Geometry.createValue(value),
+  GeometryPoint: (value: any) => Edm.GeometryPoint.createValue(value),
+  GeometryLineString: (value: any) => Edm.GeometryLineString.createValue(value),
+  GeometryPolygon: (value: any) => Edm.GeometryPolygon.createValue(value),
+  GeometryMultiPoint: (value: any) => Edm.GeometryMultiPoint.createValue(value),
+  GeometryMultiLineString: (value: any) => Edm.GeometryMultiLineString.createValue(value),
+  GeometryMultiPolygon: (value: any) => Edm.GeometryMultiPolygon.createValue(value),
+  GeometryCollection: (value: any) => Edm.GeometryCollection.createValue(value),
+}
\ No newline at end of file
diff --git a/test/builder/filter.test.ts b/test/builder/filter.test.ts
index 2ce3940..0f38d71 100644
--- a/test/builder/filter.test.ts
+++ b/test/builder/filter.test.ts
@@ -1,11 +1,11 @@
-import { Edm, filter, ODataFilter } from '../../src';
+import { filter, literalValues, ODataFilter } from '../../src';
 
 describe('OData Query Builder - Filter Test Suite', () => {
 
   it('should support filter by value/name', () => {
 
     expect(ODataFilter.New().field('A').eq('a').toString()).toBe("A eq 'a'");
-    expect(ODataFilter.New().field('A').eq(Edm.String.createValue("a")).toString()).toBe("A eq 'a'");
+    expect(ODataFilter.New().field('A').eq(literalValues.String("a")).toString()).toBe("A eq 'a'");
     expect(ODataFilter.New().field('A').eq(1).toString()).toBe('A eq 1');
 
   });
@@ -18,8 +18,8 @@ describe('OData Query Builder - Filter Test Suite', () => {
     expect(ODataFilter.New<Type>({ A: 1, B: '2' }).toString()).toBe("A eq 1 and B eq '2'");
 
     expect(ODataFilter.New<any>({
-      A: Edm.Int16.createValue(12),
-      B: Edm.String.createValue('12')
+      A: literalValues.Int16(12),
+      B: literalValues.String('12')
     }).toString()).toBe("A eq 12 and B eq '12'");
   });
 
@@ -31,14 +31,20 @@ describe('OData Query Builder - Filter Test Suite', () => {
     expect(
       filter()
         .field("A")
-        .eq(Edm.Guid.createValue("253f842d-d739-41b8-ac8c-139ac7a9dd14"))
+        .eq(literalValues.Guid("253f842d-d739-41b8-ac8c-139ac7a9dd14"))
         .build()
     ).toBe("A eq 253f842d-d739-41b8-ac8c-139ac7a9dd14")
 
     expect(
-      filter({ A: Edm.Guid.createValue("253f842d-d739-41b8-ac8c-139ac7a9dd14") })
+      filter({ A: literalValues.Guid("253f842d-d739-41b8-ac8c-139ac7a9dd14") })
         .build()
     ).toBe("A eq 253f842d-d739-41b8-ac8c-139ac7a9dd14")
   });
 
+  it('should support filter with type', () => {
+    expect(filter({ A: 1 }).build()).toBe("A eq 1")
+    expect(filter({ A: literalValues.String(1) }).build()).toBe("A eq '1'")
+    expect(filter({ A: literalValues.Guid("253f842d-d739-41b8-ac8c-139ac7a9dd14") }).build()).toBe("A eq 253f842d-d739-41b8-ac8c-139ac7a9dd14")
+  });
+
 });