diff --git a/lib/Client.js b/lib/Client.js
index 5abcd9c..da3e76c 100644
--- a/lib/Client.js
+++ b/lib/Client.js
@@ -144,6 +144,16 @@ module.exports = class Client {
 		return res.orderData();
 	};
 
+	async upload(order) {
+		let res = await this.ebicsRequest(order.toXML());
+		order.transactionId = res.transactionId();
+		const orderId = res.orderId();
+
+		res = await this.ebicsRequest(order.toTransferXML());
+
+		return res.transactionId();
+	}
+
 	async downloadAndUnzip(order) {
 
 	}