code: function create() {
  		// Check form for errors
  		if(!$("#privateKey").val() || !$("#recipient").val()) return alert('Missing parameter !');
  		if(undefined === $("#amount").val() || !nem.utils.helpers.isTextAmountValid($("#amount").val())) return alert('Invalid amount !');
  		if (!nem.model.address.isValid(nem.model.address.clean($("#recipient").val()))) return alert('Invalid recipent address !');
  
  		// Set the private key in common object
  		common.privateKey = $("#privateKey").val();
  
  		// Check private key for errors
  		if (common.privateKey.length !== 64 && common.privateKey.length !== 66) return alert('Invalid private key, length must be 64 or 66 characters !');
      	if (!nem.utils.helpers.isHexadecimal(common.privateKey)) return alert('Private key must be hexadecimal only !');
  
  		// Set the cleaned amount into transfer transaction object
  		transferTransaction.amount = nem.utils.helpers.cleanTextAmount($("#amount").val());
  
  		// Recipient address must be clean (no hypens: "-")
  		transferTransaction.recipient = nem.model.address.clean($("#recipient").val());
  
  		// Set message
  		transferTransaction.message = $("#message").val();
  
  		// Prepare the updated transfer transaction object
  		var transactionEntity = nem.model.transactions.prepare("transferTransaction")(common, transferTransaction, nem.model.network.data.testnet.id);
  
  		// Create a key pair object from private key
  		var kp = nem.crypto.keyPair.create(nem.utils.helpers.fixPrivateKey(common.privateKey));
  
  		// Serialize the transaction
  		var serialized = nem.utils.serialization.serializeTransaction(transactionEntity);
  
  		// Sign the serialized transaction with keypair object
  	    var signature = kp.sign(serialized);
  
  	    // Build the object to send
  	    var result = {
  	        'data': nem.utils.convert.ua2hex(serialized),
  	        'signature': signature.toString()
  	    };
  
  	    // Show the object to send in view
  	    $("#result").val(JSON.stringify(result));
  	}
docs: Build transaction from form data