diff --git a/examples/balance.php b/examples/balance.php
index fc3957c..debaa00 100644
--- a/examples/balance.php
+++ b/examples/balance.php
@@ -1,9 +1,16 @@
 <?php
 include_once '../vendor/autoload.php';
 
-$tron = new \IEXBase\TronAPI\Tron();
-$tron->setAddress('address');
+$fullNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+$solidityNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+$eventServer = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+
+try {
+    $tron = new \IEXBase\TronAPI\Tron($fullNode, $solidityNode, $eventServer);
+} catch (\IEXBase\TronAPI\Exception\TronException $e) {
+    exit($e->getMessage());
+}
 
-$balance = $tron->getBalance();
 
-echo $tron->fromTron($balance);
+$tron->setAddress('address');
+$balance = $tron->getBalance(null, true);
\ No newline at end of file
diff --git a/examples/custom-nodes.php b/examples/custom-nodes.php
index fa49433..64e2c37 100644
--- a/examples/custom-nodes.php
+++ b/examples/custom-nodes.php
@@ -6,12 +6,12 @@
 
 $fullNode = new HttpProvider('https://api.trongrid.io');
 $solidityNode = new HttpProvider('https://api.trongrid.io');
+$eventServer = new HttpProvider('https://api.trongrid.io');
 $privateKey = 'private_key';
 
 //Example 1
-$tron = new Tron($fullNode, $solidityNode, $privateKey);
-
-//Example 2
-$tron->setFullNode($fullNode);
-$tron->setSolidityNode($solidityNode);
-$tron->setPrivateKey($privateKey);
\ No newline at end of file
+try {
+    $tron = new Tron($fullNode, $solidityNode, $eventServer, $privateKey);
+} catch (\IEXBase\TronAPI\Exception\TronException $e) {
+    die($e->getMessage());
+}
\ No newline at end of file
diff --git a/examples/find-transaction.php b/examples/find-transaction.php
index a6761ad..35630c8 100644
--- a/examples/find-transaction.php
+++ b/examples/find-transaction.php
@@ -1,7 +1,15 @@
 <?php
 include_once '../vendor/autoload.php';
 
-$tron = new \IEXBase\TronAPI\Tron();
+$fullNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+$solidityNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+$eventServer = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+
+try {
+    $tron = new \IEXBase\TronAPI\Tron($fullNode, $solidityNode, $eventServer);
+} catch (\IEXBase\TronAPI\Exception\TronException $e) {
+    exit($e->getMessage());
+}
 
 $detail = $tron->getTransaction('TxId');
 var_dump($detail);
\ No newline at end of file
diff --git a/examples/is-connection.php b/examples/is-connection.php
index b3be552..5d4800c 100644
--- a/examples/is-connection.php
+++ b/examples/is-connection.php
@@ -2,14 +2,13 @@
 include_once '../vendor/autoload.php';
 
 $fullNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
-$solidityNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io:8091');
+$solidityNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+$eventServer = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
 
-$tron = new \IEXBase\TronAPI\Tron();
-
-if($fullNode->isConnected()) {
-    $tron->setFullNode($fullNode);
+try {
+    $tron = new \IEXBase\TronAPI\Tron($fullNode, $solidityNode, $eventServer);
+} catch (\IEXBase\TronAPI\Exception\TronException $e) {
+    exit($e->getMessage());
 }
 
-if($solidityNode->isConnected()) {
-    $tron->setSolidityNode($solidityNode);
-}
\ No newline at end of file
+$tron->isConnected();
diff --git a/examples/option-trx.php b/examples/option-trx.php
index c77b740..1ef36d2 100644
--- a/examples/option-trx.php
+++ b/examples/option-trx.php
@@ -1,9 +1,15 @@
 <?php
 include_once '../vendor/autoload.php';
 
-use IEXBase\TronAPI\Tron;
+$fullNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+$solidityNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+$eventServer = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
 
-$tron = new Tron();
+try {
+    $tron = new \IEXBase\TronAPI\Tron($fullNode, $solidityNode, $eventServer);
+} catch (\IEXBase\TronAPI\Exception\TronException $e) {
+    exit($e->getMessage());
+}
 
 //option 1
 $tron->sendTransaction('from','to',0.1);
@@ -12,4 +18,4 @@
 $tron->send('from','to',0.1);
 
 //option 3
-$tron->sendTrx('from','to',0.1);
\ No newline at end of file
+$tron->sendTrx('from','to',0.1);
diff --git a/examples/send-transaction-password.php b/examples/send-transaction-password.php
deleted file mode 100644
index c7e8032..0000000
--- a/examples/send-transaction-password.php
+++ /dev/null
@@ -1,10 +0,0 @@
-<?php
-include_once '../vendor/autoload.php';
-
-$tron = new \IEXBase\TronAPI\Tron();
-
-$transfer = $tron->sendTransactionByPassword('To Address',1,'Password');
-
-echo '<pre>';
-    print_r($transfer);
-echo '</pre>';
diff --git a/examples/send-transaction.php b/examples/send-transaction.php
index cd7bdf6..146e71b 100644
--- a/examples/send-transaction.php
+++ b/examples/send-transaction.php
@@ -1,12 +1,21 @@
 <?php
 include_once '../vendor/autoload.php';
 
-$tron = new \IEXBase\TronAPI\Tron();
+$fullNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+$solidityNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+$eventServer = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+
+try {
+    $tron = new \IEXBase\TronAPI\Tron($fullNode, $solidityNode, $eventServer);
+} catch (\IEXBase\TronAPI\Exception\TronException $e) {
+    exit($e->getMessage());
+}
+
 $tron->setAddress('address');
 $tron->setPrivateKey('privateKey');
 
 try {
-    $transfer = $tron->sendTransaction('FromAddress', 'ToAddress', 1);
+    $transfer = $tron->send( 'ToAddress', 1);
 } catch (\IEXBase\TronAPI\Exception\TronException $e) {
     die($e->getMessage());
 }
diff --git a/examples/transactionBuilder.php b/examples/transactionBuilder.php
new file mode 100644
index 0000000..c0857b0
--- /dev/null
+++ b/examples/transactionBuilder.php
@@ -0,0 +1,19 @@
+<?php
+$fullNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+$solidityNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+$eventServer = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
+
+try {
+    $tron = new \IEXBase\TronAPI\Tron($fullNode, $solidityNode, $eventServer);
+} catch (\IEXBase\TronAPI\Exception\TronException $e) {
+    exit($e->getMessage());
+}
+
+
+try {
+    $transaction = $tron->getTransactionBuilder()->sendTrx('to', 2,'fromAddress');
+    $signedTransaction = $tron->signTransaction($transaction);
+    $response = $tron->sendRawTransaction($signedTransaction);
+} catch (\IEXBase\TronAPI\Exception\TronException $e) {
+    die($e->getMessage());
+}
diff --git a/src/Tron.php b/src/Tron.php
index 87fee68..6cc484d 100644
--- a/src/Tron.php
+++ b/src/Tron.php
@@ -110,11 +110,20 @@ public function setManager($providers) {
      * Get provider manager
      *
      * @return TronManager
-    */
+     */
     public function getManager(): TronManager {
         return $this->manager;
     }
 
+    /**
+     * Get Transaction Builder
+     *
+     * @return TransactionBuilder
+     */
+    public function getTransactionBuilder(): TransactionBuilder {
+        return $this->transactionBuilder;
+    }
+
     /**
      * Check connected provider
      *
@@ -197,8 +206,18 @@ public function getAddress(): array
      * Get customized provider data
      *
      * @return array
-    */
+     */
     public function providers(): array
+    {
+        return $this->manager->getProviders();
+    }
+
+    /**
+     * Check Connection Providers
+     *
+     * @return array
+     */
+    public function isConnected(): array
     {
         return $this->manager->isConnected();
     }