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diff --git a/docs/labs/lab06-provisioning/change_control_custom_rapi.py b/docs/labs/lab06-provisioning/change_control_custom_rapi.py
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+# Copyright (c) 2021 Arista Networks, Inc.
+# Use of this source code is governed by the Apache License 2.0
+# that can be found in the COPYING file.
+#
+# NOTE: The following example is using the new Change Control Resource APIs supported in 2021.2.0 or newer and in CVaaS.
+# For CVaaS service-account token based auth has to be used.
+
+from cvprac.cvp_client import CvpClient
+import ssl
+import uuid
+from datetime import datetime
+ssl._create_default_https_context = ssl._create_unverified_context
+import requests.packages.urllib3
+requests.packages.urllib3.disable_warnings()
+
+# Create connection to CloudVision
+clnt = CvpClient()
+clnt.connect(['cvp1'],'username', 'password')
+
+
+cc_id = str(uuid.uuid4())
+name = f"Change_{datetime.now().strftime('%Y%m%d_%H%M%S')}"
+
+# Create custom stage hierarchy
+# The below example would result in the following hierarchy:
+# root (series)
+# |- stages 1-2 (series)
+# |  |- stage 1ab (parallel)
+# |  |    |- stage 1a
+# |  |    |- stage 1b
+# |  |- stage 2
+# |- stage 3
+data = {'key': {
+            'id': cc_id
+            },
+        'change': {
+            'name': cc_id,
+            'notes': 'cvprac CC',
+            'rootStageId': 'root',
+            'stages': {'values': {'root': {'name': 'root',
+                                           'rows': {'values': [{'values': ['1-2']},
+                                                               {'values': ['3']}]
+                                            }
+                                        },
+                                  '1-2': {'name': 'stages 1-2',
+                                          'rows': {'values': [{'values': ['1ab']},
+                                                              {'values': ['2']}]}},
+                                  '1ab': {'name': 'stage 1ab',
+                                          'rows': {'values': [{'values': ['1a','1b']}]
+                                            }
+                                        },
+                                  '1a': {'action': {'args': {'values': {'TaskID': '1242'}},
+                                                    'name': 'task',
+                                                    'timeout': 3000},
+                                         'name': 'stage 1a'},
+                                  '1b': {'action': {'args': {'values': {'TaskID': '1243'}},
+                                                    'name': 'task',
+                                                    'timeout': 3000},
+                                         'name': 'stage 1b'},
+                                  '2': {'action': {'args': {'values': {'TaskID': '1240'}},
+                                                   'name': 'task',
+                                                   'timeout': 3000},
+                                        'name': 'stage 2'},
+                                  '3': {'action': {'args': {'values': {'TaskID': '1241'}},
+                                                   'name': 'task',
+                                                   'timeout': 3000},
+                                        'name': 'stage 3'},
+                }
+            }
+        }
+ }
+# Create change control from custom stage hierarchy data
+clnt.api.change_control_create_with_custom_stages(data)
+
+# Approve the change control
+approval_note = "Approve CC via cvprac" # notes are optional
+clnt.api.change_control_approve(cc_id, notes=approval_note)
+
+# Start the change control
+start_note = "Starting CC via cvprac" # notes are optional
+clnt.api.change_control_start(cc_id, notes=start_note)