ModifyPolicyId

{
  "topic": "com.acme/xdk_53/things/twin/commands/modify",
  "headers": {},
  "path": "/policyId",
  "value": "com.acme:the_policy_id"
}

ModifyPolicyIdResponse

{
  "topic": "com.acme/xdk_53/things/twin/commands/modify",
  "headers": {},
  "path": "/policyId",
  "status": 204
}

ModifyPolicyIdResponse when Thing had no Policy ID yet

{
  "topic": "com.acme/xdk_53/things/twin/commands/modify",
  "headers": {},
  "path": "/policyId",
  "value": "com.acme:the_policy_id",
  "status": 201
}

PolicyIdCreated

{
  "topic": "com.acme/xdk_53/things/twin/events/created",
  "headers": {},
  "path": "/policyId",
  "value": "com.acme:the_policy_id",
  "revision": 1
}

PolicyIdModified

{
  "topic": "com.acme/xdk_53/things/twin/events/modified",
  "headers": {},
  "path": "/policyId",
  "value": "com.acme:the_policy_id",
  "revision": 1
}