diff --git a/src/main/java/com/eactive/eai/transformer/engine/Parser.java b/src/main/java/com/eactive/eai/transformer/engine/Parser.java
index 40b0573..98315d0 100644
--- a/src/main/java/com/eactive/eai/transformer/engine/Parser.java
+++ b/src/main/java/com/eactive/eai/transformer/engine/Parser.java
@@ -110,7 +110,8 @@ public class Parser implements Serializable {
         	if (funcDef == null) continue;
         	String functionClass = funcDef.getFunctionClass();
         	if (functionClass == null) continue;
-        	if(!functionClass.startsWith("com.eactive.eai.transformer.function")) {
+        	if(!(functionClass.startsWith("com.eactive.eai.transformer.function")
+        			|| functionClass.startsWith("com.eactive.eai.custom.transformer.function"))) {
         		continue;
         	}