diff --git a/examples/extend.ts b/examples/extend.ts
new file mode 100644
index 0000000..79d02a8
--- /dev/null
+++ b/examples/extend.ts
@@ -0,0 +1,45 @@
+import { g, Infer, InferResolvers, buildSchema } from './../src/index'
+import { createYoga } from 'graphql-yoga'
+import { createServer } from 'http'
+
+const node = {
+  id: g.id()
+}
+
+const name = {
+  name: g.string()
+}
+
+const test = g.type('Test', {}).extend([node, name])
+
+const queryType = g.type('Query', {
+  test: g.ref(() => test)
+})
+
+type Test = Infer<typeof test>
+
+const resolvers: InferResolvers<{ Query: typeof queryType, Test: typeof test }, {}> = {
+  Query: {
+    test: (parent, args, context, info) => {
+      return {
+        id: '123',
+        name: 'Test'
+      }
+    }
+  },
+  Test: {
+    id: (parent, args, context, info) => {
+      return parent.id
+    },
+    name: (parent, args, context, info) => {
+      return parent.name
+    }
+  }
+}
+
+const schema = buildSchema({ g, resolvers })
+const yoga = createYoga({ schema })
+const server = createServer(yoga)
+server.listen(4000, () => {
+  console.info('Server is running on http://localhost:4000/graphql')
+})
diff --git a/package-lock.json b/package-lock.json
index 92d6cba..41b0788 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "garph",
-  "version": "0.6.2",
+  "version": "0.6.3",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "garph",
-      "version": "0.6.2",
+      "version": "0.6.3",
       "license": "MIT",
       "dependencies": {
         "graphql-compose": "^9.0.10",
diff --git a/package.json b/package.json
index 35ca26e..227227d 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "type": "git",
     "url": "https://github.com/stepci/garph"
   },
-  "version": "0.6.2",
+  "version": "0.6.3",
   "license": "MIT",
   "main": "dist/index.js",
   "scripts": {
diff --git a/src/index.ts b/src/index.ts
index b7ac9c9..fc6741c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -36,7 +36,8 @@ export type TypeDefinition<T> = {
   deprecated?: string
   scalarOptions?: ScalarOptions<any, any>
   defaultValue?: any
-  interfaces?: AnyType[]
+  interfaces?: AnyInterface[]
+  extend?: AnyTypes[]
 }
 
 export type AnyType = Type<any, any>
@@ -177,53 +178,74 @@ export type InferResolversStrict<T extends AnyTypes, X extends InferResolverConf
 class GType<N extends string, T extends AnyTypes> extends Type<T, 'ObjectType'> {
   declare _name: N
 
-  constructor(name: string, shape: T, interfaces?: AnyInterface[]) {
+  constructor(name: string, shape: T, interfaces?: AnyInterface[], extend?: AnyTypes[]) {
     super()
     this.typeDef = {
       name,
       type: 'ObjectType',
       shape,
-      interfaces
+      interfaces,
+      extend
     }
   }
 
   implements<D extends AnyInterface>(ref: D | D[]) {
     // This is temporary construct, until we figure out how to properly manage to shared schema
     this.typeDef.interfaces = Array.isArray(ref) ? ref : [ref]
-    return new GType<N, T & UnionToIntersection<D['_shape']>>(this.typeDef.name, this.typeDef.shape as any, Array.isArray(ref) ? ref : [ref])
+    return new GType<N, T & UnionToIntersection<D['_shape']>>(this.typeDef.name, this.typeDef.shape as any, Array.isArray(ref) ? ref : [ref], this.typeDef.extend)
+  }
+
+  extend<D extends AnyTypes>(ref: D | D[]) {
+    // This is temporary construct, until we figure out how to properly manage to shared schema
+    this.typeDef.extend = Array.isArray(ref) ? ref : [ref]
+    return new GType<N, T & UnionToIntersection<D>>(this.typeDef.name, this.typeDef.shape as any, this.typeDef.interfaces, Array.isArray(ref) ? ref : [ref])
   }
 }
 
 class GInput<N extends string, T extends AnyTypes> extends Type<T, 'InputType'> {
   declare _name: N
 
-  constructor(name: string, shape: T) {
+  constructor(name: string, shape: T, extend?: AnyTypes[]) {
     super()
     this.typeDef = {
       name,
       type: 'InputType',
-      shape
+      shape,
+      extend
     }
   }
+
+  extend<D extends AnyTypes>(ref: D | D[]) {
+    // This is temporary construct, until we figure out how to properly manage to shared schema
+    this.typeDef.extend = Array.isArray(ref) ? ref : [ref]
+    return new GInput<N, T & UnionToIntersection<D>>(this.typeDef.name, this.typeDef.shape as any, Array.isArray(ref) ? ref : [ref])
+  }
 }
 
 class GInterface<N extends string, T extends AnyTypes> extends Type<T, 'InterfaceType'> {
   declare _name: N
 
-  constructor(name: string, shape: T, interfaces?: AnyInterface[]) {
+  constructor(name: string, shape: T, interfaces?: AnyInterface[], extend?: AnyTypes[]) {
     super()
     this.typeDef = {
       name,
       type: 'InterfaceType',
       shape,
-      interfaces
+      interfaces,
+      extend
     }
   }
 
   implements<D extends AnyInterface>(ref: D | D[]) {
     // This is temporary construct, until we figure out how to properly manage to shared schema
     this.typeDef.interfaces = Array.isArray(ref) ? ref : [ref]
-    return new GInterface<N ,T & UnionToIntersection<D['_shape']>>(this.typeDef.name, this.typeDef.shape as any, Array.isArray(ref) ? ref : [ref])
+    return new GInterface<N ,T & UnionToIntersection<D['_shape']>>(this.typeDef.name, this.typeDef.shape as any, Array.isArray(ref) ? ref : [ref], this.typeDef.extend)
+  }
+
+  extend<D extends AnyTypes>(ref: D | D[]) {
+    // This is temporary construct, until we figure out how to properly manage to shared schema
+    this.typeDef.extend = Array.isArray(ref) ? ref : [ref]
+    return new GInterface<N, T & UnionToIntersection<D>>(this.typeDef.name, this.typeDef.shape as any, this.typeDef.interfaces, Array.isArray(ref) ? ref : [ref])
   }
 }
 
diff --git a/src/schema.ts b/src/schema.ts
index ca043a9..10d0908 100644
--- a/src/schema.ts
+++ b/src/schema.ts
@@ -98,6 +98,12 @@ export function convertToGraphqlType(schemaComposer: SchemaComposer, name: strin
         })
       }
 
+      if (type.typeDef.extend) {
+        type.typeDef.extend.forEach(i => {
+          objType.addFields(parseFields(schemaComposer, name, i as any, config, resolvers))
+        })
+      }
+
       return objType
     case 'Enum':
       return schemaComposer.createEnumTC({
@@ -116,11 +122,19 @@ export function convertToGraphqlType(schemaComposer: SchemaComposer, name: strin
         resolveType: resolvers?.resolveType
       })
     case 'InputType':
-      return schemaComposer.createInputTC({
+      const inputType = schemaComposer.createInputTC({
         name,
         description: type.typeDef.description,
         fields: parseFields(schemaComposer, name, type.typeDef.shape, config),
       })
+
+      if (type.typeDef.extend) {
+        type.typeDef.extend.forEach(i => {
+          inputType.addFields(parseFields(schemaComposer, name, i as any, config, resolvers))
+        })
+      }
+
+      return inputType
     case 'Scalar':
       return schemaComposer.createScalarTC({
         name,
@@ -145,6 +159,12 @@ export function convertToGraphqlType(schemaComposer: SchemaComposer, name: strin
         })
       }
 
+      if (type.typeDef.extend) {
+        type.typeDef.extend.forEach(i => {
+          interfaceType.addFields(parseFields(schemaComposer, name, i as any, config, resolvers))
+        })
+      }
+
       return interfaceType
   }
 }
diff --git a/www/api/classes/GarphSchema.md b/www/api/classes/GarphSchema.md
index 7aa518a..508a1b2 100644
--- a/www/api/classes/GarphSchema.md
+++ b/www/api/classes/GarphSchema.md
@@ -17,7 +17,7 @@
 
 #### Defined in
 
-[index.ts:596](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L596)
+[index.ts:618](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L618)
 
 ## Properties
 
@@ -27,7 +27,7 @@
 
 #### Defined in
 
-[index.ts:578](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L578)
+[index.ts:600](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L600)
 
 ___
 
@@ -46,7 +46,7 @@ ___
 
 #### Defined in
 
-[index.ts:589](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L589)
+[index.ts:611](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L611)
 
 ___
 
@@ -56,7 +56,7 @@ ___
 
 #### Defined in
 
-[index.ts:582](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L582)
+[index.ts:604](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L604)
 
 ___
 
@@ -66,7 +66,7 @@ ___
 
 #### Defined in
 
-[index.ts:577](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L577)
+[index.ts:599](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L599)
 
 ## Methods
 
@@ -80,7 +80,7 @@ ___
 
 #### Defined in
 
-[index.ts:681](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L681)
+[index.ts:703](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L703)
 
 ___
 
@@ -108,7 +108,7 @@ ___
 
 #### Defined in
 
-[index.ts:612](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L612)
+[index.ts:634](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L634)
 
 ___
 
@@ -136,7 +136,7 @@ ___
 
 #### Defined in
 
-[index.ts:622](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L622)
+[index.ts:644](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L644)
 
 ___
 
@@ -164,7 +164,7 @@ ___
 
 #### Defined in
 
-[index.ts:641](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L641)
+[index.ts:663](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L663)
 
 ___
 
@@ -178,7 +178,7 @@ ___
 
 #### Defined in
 
-[index.ts:677](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L677)
+[index.ts:699](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L699)
 
 ___
 
@@ -192,7 +192,7 @@ ___
 
 #### Defined in
 
-[index.ts:669](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L669)
+[index.ts:691](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L691)
 
 ___
 
@@ -220,7 +220,7 @@ ___
 
 #### Defined in
 
-[index.ts:635](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L635)
+[index.ts:657](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L657)
 
 ___
 
@@ -234,7 +234,7 @@ ___
 
 #### Defined in
 
-[index.ts:673](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L673)
+[index.ts:695](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L695)
 
 ___
 
@@ -262,7 +262,7 @@ ___
 
 #### Defined in
 
-[index.ts:659](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L659)
+[index.ts:681](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L681)
 
 ___
 
@@ -290,7 +290,7 @@ ___
 
 #### Defined in
 
-[index.ts:606](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L606)
+[index.ts:628](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L628)
 
 ___
 
@@ -316,7 +316,7 @@ ___
 
 #### Defined in
 
-[index.ts:687](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L687)
+[index.ts:709](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L709)
 
 ___
 
@@ -344,7 +344,7 @@ ___
 
 #### Defined in
 
-[index.ts:653](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L653)
+[index.ts:675](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L675)
 
 ___
 
@@ -358,7 +358,7 @@ ___
 
 #### Defined in
 
-[index.ts:665](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L665)
+[index.ts:687](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L687)
 
 ___
 
@@ -386,7 +386,7 @@ ___
 
 #### Defined in
 
-[index.ts:600](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L600)
+[index.ts:622](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L622)
 
 ___
 
@@ -414,4 +414,4 @@ ___
 
 #### Defined in
 
-[index.ts:647](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L647)
+[index.ts:669](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L669)
diff --git a/www/api/classes/Type.md b/www/api/classes/Type.md
index 87385ad..45d3289 100644
--- a/www/api/classes/Type.md
+++ b/www/api/classes/Type.md
@@ -30,7 +30,7 @@
 
 #### Defined in
 
-[index.ts:13](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L13)
+[index.ts:13](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L13)
 
 ___
 
@@ -40,7 +40,7 @@ ___
 
 #### Defined in
 
-[index.ts:11](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L11)
+[index.ts:11](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L11)
 
 ___
 
@@ -50,7 +50,7 @@ ___
 
 #### Defined in
 
-[index.ts:10](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L10)
+[index.ts:10](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L10)
 
 ___
 
@@ -60,7 +60,7 @@ ___
 
 #### Defined in
 
-[index.ts:9](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L9)
+[index.ts:9](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L9)
 
 ___
 
@@ -70,7 +70,7 @@ ___
 
 #### Defined in
 
-[index.ts:12](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L12)
+[index.ts:12](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L12)
 
 ___
 
@@ -80,7 +80,7 @@ ___
 
 #### Defined in
 
-[index.ts:14](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L14)
+[index.ts:14](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L14)
 
 ___
 
@@ -90,7 +90,7 @@ ___
 
 #### Defined in
 
-[index.ts:15](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L15)
+[index.ts:15](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L15)
 
 ## Methods
 
@@ -110,7 +110,7 @@ ___
 
 #### Defined in
 
-[index.ts:22](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L22)
+[index.ts:22](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L22)
 
 ___
 
@@ -130,4 +130,4 @@ ___
 
 #### Defined in
 
-[index.ts:17](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L17)
+[index.ts:17](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L17)
diff --git a/www/api/index.md b/www/api/index.md
index 870e1b6..44375c2 100644
--- a/www/api/index.md
+++ b/www/api/index.md
@@ -15,7 +15,7 @@ garph
 
 #### Defined in
 
-[index.ts:57](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L57)
+[index.ts:58](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L58)
 
 ___
 
@@ -25,7 +25,7 @@ ___
 
 #### Defined in
 
-[index.ts:45](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L45)
+[index.ts:46](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L46)
 
 ___
 
@@ -35,7 +35,7 @@ ___
 
 #### Defined in
 
-[index.ts:53](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L53)
+[index.ts:54](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L54)
 
 ___
 
@@ -45,7 +45,7 @@ ___
 
 #### Defined in
 
-[index.ts:48](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L48)
+[index.ts:49](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L49)
 
 ___
 
@@ -55,7 +55,7 @@ ___
 
 #### Defined in
 
-[index.ts:44](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L44)
+[index.ts:45](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L45)
 
 ___
 
@@ -65,7 +65,7 @@ ___
 
 #### Defined in
 
-[index.ts:55](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L55)
+[index.ts:56](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L56)
 
 ___
 
@@ -75,7 +75,7 @@ ___
 
 #### Defined in
 
-[index.ts:47](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L47)
+[index.ts:48](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L48)
 
 ___
 
@@ -85,7 +85,7 @@ ___
 
 #### Defined in
 
-[index.ts:56](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L56)
+[index.ts:57](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L57)
 
 ___
 
@@ -95,7 +95,7 @@ ___
 
 #### Defined in
 
-[index.ts:50](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L50)
+[index.ts:51](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L51)
 
 ___
 
@@ -105,7 +105,7 @@ ___
 
 #### Defined in
 
-[index.ts:46](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L46)
+[index.ts:47](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L47)
 
 ___
 
@@ -115,7 +115,7 @@ ___
 
 #### Defined in
 
-[index.ts:59](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L59)
+[index.ts:60](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L60)
 
 ___
 
@@ -129,7 +129,7 @@ ___
 
 #### Defined in
 
-[index.ts:70](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L70)
+[index.ts:71](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L71)
 
 ___
 
@@ -139,7 +139,7 @@ ___
 
 #### Defined in
 
-[index.ts:60](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L60)
+[index.ts:61](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L61)
 
 ___
 
@@ -149,7 +149,7 @@ ___
 
 #### Defined in
 
-[index.ts:58](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L58)
+[index.ts:59](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L59)
 
 ___
 
@@ -159,7 +159,7 @@ ___
 
 #### Defined in
 
-[index.ts:51](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L51)
+[index.ts:52](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L52)
 
 ___
 
@@ -169,7 +169,7 @@ ___
 
 #### Defined in
 
-[index.ts:49](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L49)
+[index.ts:50](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L50)
 
 ___
 
@@ -179,7 +179,7 @@ ___
 
 #### Defined in
 
-[index.ts:54](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L54)
+[index.ts:55](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L55)
 
 ___
 
@@ -189,7 +189,7 @@ ___
 
 #### Defined in
 
-[index.ts:43](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L43)
+[index.ts:44](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L44)
 
 ___
 
@@ -199,7 +199,7 @@ ___
 
 #### Defined in
 
-[index.ts:42](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L42)
+[index.ts:43](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L43)
 
 ___
 
@@ -213,7 +213,7 @@ ___
 
 #### Defined in
 
-[index.ts:66](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L66)
+[index.ts:67](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L67)
 
 ___
 
@@ -223,7 +223,7 @@ ___
 
 #### Defined in
 
-[index.ts:52](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L52)
+[index.ts:53](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L53)
 
 ___
 
@@ -237,7 +237,7 @@ ___
 
 #### Defined in
 
-[index.ts:62](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L62)
+[index.ts:63](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L63)
 
 ___
 
@@ -254,7 +254,7 @@ ___
 
 #### Defined in
 
-[index.ts:92](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L92)
+[index.ts:93](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L93)
 
 ___
 
@@ -270,7 +270,7 @@ ___
 
 #### Defined in
 
-[index.ts:124](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L124)
+[index.ts:125](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L125)
 
 ___
 
@@ -286,7 +286,7 @@ ___
 
 #### Defined in
 
-[index.ts:125](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L125)
+[index.ts:126](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L126)
 
 ___
 
@@ -302,7 +302,7 @@ ___
 
 #### Defined in
 
-[index.ts:119](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L119)
+[index.ts:120](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L120)
 
 ___
 
@@ -318,7 +318,7 @@ ___
 
 #### Defined in
 
-[index.ts:120](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L120)
+[index.ts:121](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L121)
 
 ___
 
@@ -335,7 +335,7 @@ ___
 
 #### Defined in
 
-[index.ts:93](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L93)
+[index.ts:94](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L94)
 
 ___
 
@@ -352,7 +352,7 @@ ___
 
 #### Defined in
 
-[index.ts:133](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L133)
+[index.ts:134](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L134)
 
 ___
 
@@ -369,7 +369,7 @@ ___
 
 #### Defined in
 
-[index.ts:155](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L155)
+[index.ts:156](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L156)
 
 ___
 
@@ -386,7 +386,7 @@ ___
 
 #### Defined in
 
-[index.ts:107](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L107)
+[index.ts:108](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L108)
 
 ___
 
@@ -402,7 +402,7 @@ ___
 
 #### Defined in
 
-[index.ts:131](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L131)
+[index.ts:132](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L132)
 
 ___
 
@@ -424,7 +424,8 @@ ___
 | `defaultValue?` | `any` |
 | `deprecated?` | `string` |
 | `description?` | `string` |
-| `interfaces?` | [`AnyType`](index.md#anytype)[] |
+| `extend?` | [`AnyTypes`](index.md#anytypes)[] |
+| `interfaces?` | [`AnyInterface`](index.md#anyinterface)[] |
 | `isOptional?` | `boolean` |
 | `isRequired?` | `boolean` |
 | `name?` | `string` |
@@ -434,7 +435,7 @@ ___
 
 #### Defined in
 
-[index.ts:28](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L28)
+[index.ts:28](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L28)
 
 ## Variables
 
@@ -444,7 +445,7 @@ ___
 
 #### Defined in
 
-[index.ts:700](https://github.com/stepci/garph/blob/f2d3630/src/index.ts#L700)
+[index.ts:722](https://github.com/stepci/garph/blob/3fdff10/src/index.ts#L722)
 
 ## Functions
 
@@ -467,7 +468,7 @@ ___
 
 #### Defined in
 
-[schema.ts:17](https://github.com/stepci/garph/blob/f2d3630/src/schema.ts#L17)
+[schema.ts:17](https://github.com/stepci/garph/blob/3fdff10/src/schema.ts#L17)
 
 ___
 
@@ -488,4 +489,4 @@ ___
 
 #### Defined in
 
-[schema.ts:11](https://github.com/stepci/garph/blob/f2d3630/src/schema.ts#L11)
+[schema.ts:11](https://github.com/stepci/garph/blob/3fdff10/src/schema.ts#L11)
diff --git a/www/docs/guide/schemas.md b/www/docs/guide/schemas.md
index 4fc29aa..6d694e2 100644
--- a/www/docs/guide/schemas.md
+++ b/www/docs/guide/schemas.md
@@ -375,6 +375,32 @@ type Test implements interface {
 }
 ```
 
+### Extend
+
+Define a set of properties that extends an input, interface or object type
+
+```ts
+const name = {
+  name: g.string()
+}
+
+const test = g.type('Test', {}).extend(name)
+```
+
+Or array of properties:
+
+```ts
+const test = g.type('Test', {}).extend([firstname, lastname])
+```
+
+GraphQL Type:
+
+```graphql
+extend type Test {
+  name: String!
+}
+```
+
 ### List
 
 Turns a particular type into a list