diff --git a/src/index.ts b/src/index.ts
index 9d6dd32..c36604d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,3 +1,3 @@
 
 // export * from './lib/index';
-import { body } from './lib/index';
+// import { body, method } from './lib/index';
diff --git a/src/lib/schema/flag.ts b/src/lib/schema/flag.ts
new file mode 100644
index 0000000..cc08257
--- /dev/null
+++ b/src/lib/schema/flag.ts
@@ -0,0 +1,11 @@
+
+interface FlagOptions {
+	data?: any;
+}
+
+export class Flag {
+	constructor(
+		readonly name: string,
+		readonly options: FlagOptions = null,
+	) {}
+}
diff --git a/src/lib/schema/index.ts b/src/lib/schema/index.ts
new file mode 100644
index 0000000..a72753a
--- /dev/null
+++ b/src/lib/schema/index.ts
@@ -0,0 +1,3 @@
+
+export * from './flag';
+export * from './schema';
diff --git a/src/lib/schema.ts b/src/lib/schema/schema.ts
similarity index 81%
rename from src/lib/schema.ts
rename to src/lib/schema/schema.ts
index 1aabd98..3037be1 100644
--- a/src/lib/schema.ts
+++ b/src/lib/schema/schema.ts
@@ -3,10 +3,11 @@
  * @name Schema
  * @description A schema which can be validated, stringify, parsed easily transferred over internet.
  */
+import { Flag } from './flag';
 
 export class EpiSchema {
 	readonly methods: string[] = [];
 	readonly locations: string[] = [];
 	readonly fieldNames: string[] = [];
-	readonly flags: string[] = [];
+	readonly flags: Flag[] = [];
 }
diff --git a/src/lib/types/any.type.ts b/src/lib/types/any.type.ts
index e7574a8..8c46936 100644
--- a/src/lib/types/any.type.ts
+++ b/src/lib/types/any.type.ts
@@ -4,7 +4,7 @@
  * @description AnyType
  */
 
-import { EpiSchema } from '../schema';
+import { EpiSchema, Flag } from '../schema/index';
 
 export abstract class AnyType<T> {
 	protected _schema: EpiSchema = new EpiSchema();
@@ -15,6 +15,7 @@ export abstract class AnyType<T> {
 	 */
 	allow(...values: T[]): this {
 		// TO DO
+		this._schema.flags.push(new Flag('allow', {data: values}));
 		return this;
 	}
 	/**
diff --git a/src/lib/validators/flags.ts b/src/lib/validators/flags.ts
index 4ef048c..a448c46 100644
--- a/src/lib/validators/flags.ts
+++ b/src/lib/validators/flags.ts
@@ -2,7 +2,7 @@
  * @description All validator flags.
  */
 
-import {} from '../schema';
+import {} from '../schema/schema';
 
 function trim() {
 	//
diff --git a/tsconfig.json b/tsconfig.json
index 142b418..e2d778b 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,7 +4,7 @@
         "outDir": "dist/",
         "noImplicitAny": true,
         "removeComments": true,
-        "preserveConstEnums": true,
+        "experimentalDecorators": true,
         "sourceMap": true,
         "declaration": true,
         "target": "es5",