When updating an object you use the update request header with the list of properties to update. Then you need only supply the new values in the body of your request. Please note, this header can only be used with PUT or PATCH requests.
The update request filter is a comma separated array that lists the properties to update. (NOTE: As of version 4 of the API an update request filter will no longer be required). Here is an example:
The update body contains the new values for the properties.
Putting It All Together
Building on our knowledge of GET requests we note the following differences:
Use PATCH or PUT
Set request header UpdateRequest to the list of properties to change (no longer required in v4 of APIs)
Include the updated properties in the body of the request