diff --git a/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java b/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java
index fb1507a..ce58f6e 100644
--- a/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java
+++ b/src/org/ntlab/radishforandroidstudio/framework/network/HttpAsyncConnection.java
@@ -8,6 +8,7 @@
 import java.io.OutputStream;
 import java.net.HttpURLConnection;
 import java.net.URL;
+import java.util.ArrayList;
 
 abstract public class HttpAsyncConnection {
 
@@ -169,4 +170,10 @@
 	public void addPathParam(String param) {
 		pathParams += "/" + param;
 	}
+
+	private void addRequestProperties(ArrayList<String> key, ArrayList<String> value) {
+		for (int i = 0; i < key.size(); i++) {
+			conn.addRequestProperty(key.get(i), value.get(i));
+		}
+	}
 }