diff --git a/Hook-Definition.md b/Hook-Definition.md
index c98cc12..6b8176b 100644
--- a/Hook-Definition.md
+++ b/Hook-Definition.md
@@ -8,7 +8,8 @@ Hooks are defined as JSON objects. Please note that in order to be considered va
  * `command-working-directory` - specifies the working directory that will be used for the script when it's executed
  * `response-message` - specifies the string that will be returned to the hook initiator
  * `parse-parameters-as-json` - specifies the list of arguments that contain JSON strings. These parameters will be decoded by webhook and you can access them like regular objects in rules and `pass-arguments-to-command`.
- * `pass-arguments-to-command` - specifies the list of arguments that will be passed to the command. Check [Referencing request values page](Referencing-Request-Values) to see how to reference the values from the request.
+ * `pass-arguments-to-command` - specifies the list of arguments that will be passed to the command. Check [Referencing request values page](Referencing-Request-Values) to see how to reference the values from the request. If you want to pass a static string value to your command you can specify it as
+`{ "source": "string", "name": "argumentvalue" }`
  * `trigger-rule` - specifies the rule that will be evaluated in order to determine should the hook be triggered. Check [Hook rules page](Hook-Rules) to see the list of valid rules and their usage
 
 ## Examples