diff --git a/README.md b/README.md
index 3ae3795..8ae6896 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,11 @@ iota.sendTransaction("RECEIVEADDRESS9999",1).then((success)=>{
 //with await async
 const success = await iota.sendTransaction("RECEIVEADDRESS9999",1);
 
+//sending data
+const success = await iota.sendTransaction("RECEIVEADDRESS9999",1, {data: "someData"});
+
+//sending data with valid tag (27 characters or less, all TRYTES)
+const success = await iota.sendTransaction("RECEIVEADDRESS9999",1, {data: "someData"}, "TAG9");
 
 //getting accountdata for your seed
 const accountData = await iota.getAccountData();
diff --git a/__tests__/iota-basic-spec.ts b/__tests__/iota-basic-spec.ts
index 296f5a0..76fc331 100644
--- a/__tests__/iota-basic-spec.ts
+++ b/__tests__/iota-basic-spec.ts
@@ -228,4 +228,3 @@ test('Should call the localAttach of CurlHashWebGl when on node when attachToTan
 //   expect(iotaClient.valid.isAddress(seed)).toBe(true);
 //   expect(seedGenerator instanceof SeedGeneratorWeb).toBe(true);
 // });
-
diff --git a/package.json b/package.json
index 8f37a75..db88fe6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "iota-basic",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "a library for basic interactions with the iota tangle",
   "license": "GPL-3.0",
   "repository": "https://github.com/thedewpoint/iota-basic.git",
@@ -39,7 +39,7 @@
   "dependencies": {
     "ccurl.interface.js": "0.0.6",
     "curl.lib.js": "^1.0.22",
-    "iota.lib.js": "^0.4.6"
+    "iota.lib.js": "^0.4.7"
   },
   "devDependencies": {
     "@types/jest": "22.0.0",
diff --git a/src/api/AccountData.ts b/src/api/AccountData.ts
index beba189..3815448 100644
--- a/src/api/AccountData.ts
+++ b/src/api/AccountData.ts
@@ -54,4 +54,5 @@ export interface ITransaction {
   address: string;
   value: number;
   message: string;
+  tag: string;
 }
diff --git a/src/api/IotaBasic.ts b/src/api/IotaBasic.ts
index ac1cc95..433fe0a 100644
--- a/src/api/IotaBasic.ts
+++ b/src/api/IotaBasic.ts
@@ -9,7 +9,8 @@ export interface IIotaBasic {
   sendTransaction(
     receivingAddress: string,
     value: number,
-    data?: any
+    data?: any,
+    tag?: string
   ): Promise<any>;
   getChecksum(): string;
   getBalance(): Promise<number>;
diff --git a/src/impl/IotaBasic.ts b/src/impl/IotaBasic.ts
index 3d97292..5df8b66 100644
--- a/src/impl/IotaBasic.ts
+++ b/src/impl/IotaBasic.ts
@@ -74,11 +74,13 @@ export class Iota implements IIotaBasic {
    * @param {string} receiveAddress - the address to send to
    * @param {number} value - the amount in iota to send
    * @param {any} data - json object representing any data you want to send with the transaction
+   * @param {string} tag - string containing tag for transaction
    */
   public sendTransaction(
     receivingAddress: string,
     value: number,
-    data?: any
+    data?: any,
+    tag: string = ''
   ): Promise<any> {
     return new Promise<any>((resolve, reject) => {
       const message = data
@@ -87,6 +89,7 @@ export class Iota implements IIotaBasic {
       const transaction: ITransaction = {
         address: receivingAddress,
         message,
+        tag,
         value,
       };
       const transactions: ITransaction[] = [transaction];