diff --git a/doc_classes/BTSetAgentProperty.xml b/doc_classes/BTSetAgentProperty.xml
index 04e92c0..b46cfe0 100644
--- a/doc_classes/BTSetAgentProperty.xml
+++ b/doc_classes/BTSetAgentProperty.xml
@@ -4,12 +4,16 @@
 		BT action that assigns a value to the specified agent's property.
 	</brief_description>
 	<description>
-		BTSetAgentProperty assigns the specified [member value] to the agent's property identified by the [member property] and returns [code]SUCCESS[/code].
+		BTSetAgentProperty assigns the specified [member value] to the agent's property identified by the [member property] and returns [code]SUCCESS[/code]. Optionally, it can perform a specific [member operation] before assignment.
 		Returns [code]FAILURE[/code] if it fails to set the property.
 	</description>
 	<tutorials>
 	</tutorials>
 	<members>
+		<member name="operation" type="int" setter="set_operation" getter="get_operation" enum="LimboUtility.Operation" default="0">
+			Specifies the operation to be performed before assignment. Operation is executed as follows:
+			[code]property = property OPERATION value[/code]
+		</member>
 		<member name="property" type="StringName" setter="set_property" getter="get_property" default="&amp;&quot;&quot;">
 			Parameter that specifies the agent's property name.
 		</member>