diff --git a/python/GafferUI/OpDialogue.py b/python/GafferUI/OpDialogue.py
index 408caf66e55..0f3cb5fb8d1 100644
--- a/python/GafferUI/OpDialogue.py
+++ b/python/GafferUI/OpDialogue.py
@@ -199,6 +199,12 @@ def __init__(
 		else :
 			self.__initiateParameterEditing()
 	
+	## Returns the ParameterisedHolder used to store the Op.
+	# This may be used to edit parameter values.
+	def parameterisedHolder( self ) :
+	
+		return self.__node
+	
 	## Signal emitted before executing the Op.
 	# Slots should have the signature `bool slot( opDialogue )`,
 	# and may return True to cancel execution, or False to