Media on the FHIR specification website.

A photo, video, or audio recording acquired or used in healthcare. The actual content may be inline or provided by direct reference.

The body should be a list of valid JSON patches for Media. For example, to update a Slot status to busy, this would be the body:

[
  {
    op: 'replace',
    path: '/status',
    value: 'busy',
  },
],