How to add Custom Properties to Subscription.

Method: POST
URL: https://rethink-back-api-prod.azurewebsites.net/api/v1/customproperties/:organizationId
Parameters:

• Path Variables
  o organizationId: the ID of the organization you would like to add custom properties for
  Headers:
• Referer: your platform URL
• Authorization: Bearer token
  Body: JSON object defining custom properties to update. “CustomProperties” is a list of objects.
  Response: 204 No Content

If you have custom properties already set for a subscription, you must include existing properties in your request.
For example,

• Two templates are defined with the ObjectType “Subscription”
• One is already set for the subscription.
• We want to add the additional custom property to the subscription
  {
  "OrganizationId": "5DDBF3C8-DC44-4BDB-AAF1-91EFD5A5D00E",
  "SubscriptionId": "2BBFF070-D706-4BB3-BE07-A6EA7898EFBC",
  "ObjectType": "Subscription",
  "CustomProperties": [
  {
  //Already set custom property. Must be included.
  "Id": "2DB6249D-CA8B-4D37-9CEC-B672CEAC4B3AD",
  "CustomPropertiesTemplateId": "440F8A35-BFC7-4E9F-9155-D51CDE8C5AE1",
  "Value": false
  },
  {
  //The new custom property we want to add
  "CustomPropertiesTemplateId": "EF42AF3C-33C0-412F-B954-3CAFE63C779A",
  "Value": "123456"
  }
  ]
  }