Added depth parameter in query nodes API.

Issue-ID: CPS-1381
Change-ID: I73f97f986a817d423f93a8d922dcd9647b1206bb
Signed-off-by: rajesh.kumar <rk00747546@techmahindra.com>
diff --git a/cps-rest/docs/openapi/components.yml b/cps-rest/docs/openapi/components.yml
index e700da6..60b4ca3 100644
--- a/cps-rest/docs/openapi/components.yml
+++ b/cps-rest/docs/openapi/components.yml
@@ -1,7 +1,7 @@
 # ============LICENSE_START=======================================================
 # Copyright (c) 2021-2022 Bell Canada.
 # Modifications Copyright (C) 2021-2022 Nordix Foundation
-# Modifications Copyright (C) 2022 TechMahindra Ltd.
+# Modifications Copyright (C) 2022-2023 TechMahindra Ltd.
 # Modifications Copyright (C) 2022 Deutsche Telekom AG
 # ================================================================================
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -240,6 +240,15 @@
         type: string
         example: 'application/json'
       required: true
+    descendantsInQuery:
+      name: descendants
+      in: query
+      description: descendents to query depth of children. allowed values are none, all, any number starting from -1
+      required: false
+      schema:
+        type: string
+        default: none
+        example: 3
 
   responses:
     NotFound: