# Binance

## **getBinanceSignedTransaction**

**This function for :** 

* `.BINANCE` - binance (BNB)
* `.BEP2` - binacne token
* `.BNB_TESTNET` - binance testnet (BNB)
* `.BEP2_TESTNET` - binacne testnet token

### **Parameters**

* coinType: binance networks coin type
* binacneTransaction: ([BinanceTransation](#class-binancetransaction))binacne transaction parameter

#### **class BinanceTransaction**

<table><thead><tr><th width="158.33333333333331">Name</th><th width="124">Type</th><th>Description</th></tr></thead><tbody><tr><td>std_sign_doc</td><td><code>String</code></td><td>transaction that has not been signed of binance transaction</td></tr><tr><td>key</td><td><code>String</code></td><td>sign key path for binace transaction</td></tr><tr><td>fee</td><td><code>String</code></td><td>transaction fee of binance transaction</td></tr></tbody></table>

### **Returns**

* result: (Bool) `true` if successful, `false` if error occurred
* txData: signed transaction

### **Requirements**

* D'CENT Biometric Wallet version 1.9.2. or higher is required.

**Example**

```swift
let binanceTransaction : BinanceTransaction = BinanceTransaction(std_sign_doc: "", key: "", fee: "")
  
// test data
binanceTransaction.std_sign_doc = "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"
binanceTransaction.key = "m/44'/714'/0'/0/0"
binanceTransaction.fee = "375000"
  
DcentMgr.getBinanceSignedTransaction(coinType: .BINANCE, binanceTransaction: binanceTransaction){ (result, txData) in
    print("Binance Transaction closure")
    if result == false {
        print("FAIL !!!")
    }else{
        print(txData)
    }
}
```