channel

record channel {
  categories: list​<category>,
  created-time: string,
  description: string,
  header: picture,
  link: string,
  metadata: channel-metadata,
  modified-time: string,
  name: string,
  pictures: picture,
  privacy: channel-privacy,
  resource-key: string,
  tags: list​<tag>,
  uri: string,
  user: user,
}