1 files changed, 6 insertions, 0 deletions
diff --git a/src/org/traccar/model/Extensible.java b/src/org/traccar/model/Extensible.java
index a821d0e43..40a286987 100644
--- a/src/org/traccar/model/Extensible.java
+++ b/src/org/traccar/model/Extensible.java
@@ -52,4 +52,10 @@ public abstract class Extensible extends Message {
         }
     }
 
+    public void add(Map.Entry<String, Object> entry) {
+        if (entry.getValue() != null) {
+            attributes.put(entry.getKey(), entry.getValue());
+        }
+    }
+
 }