diff --git a/src/main/java/org/gcube/data/transfer/model/PluginInvocation.java b/src/main/java/org/gcube/data/transfer/model/PluginInvocation.java
index 3850f8e..58c1a40 100644
--- a/src/main/java/org/gcube/data/transfer/model/PluginInvocation.java
+++ b/src/main/java/org/gcube/data/transfer/model/PluginInvocation.java
@@ -29,5 +29,11 @@ public class PluginInvocation {
 	@XmlID
 	private String pluginId;
 	@XmlElement
-	private Map<String,String> parameters; 
+	private Map<String,String> parameters;
+	public PluginInvocation(String pluginId) {
+		super();
+		this.pluginId = pluginId;
+	} 
+	
+	
 }