{
  "args": {
    "channel": {
      "desc": "Channel to set the purpose of",
      "required": true,
      "type": "channel"
    },
    "purpose": {
      "desc": "The new purpose",
      "example": "My Purpose",
      "required": true
    }
  },
  "desc": "Sets the purpose for a channel.",
  "errors": {
    "channel_not_found": "Value passed for `channel` was invalid.",
    "is_archived": "Channel has been archived.",
    "not_in_channel": "Authenticated user is not in the channel.",
    "too_long": "Purpose was longer than 250 characters.",
    "user_is_restricted": "Setting the purpose is a restricted action."
  }
}