{
  "args": {
    "channel": {
      "desc": "Direct message channel to set reading cursor in.",
      "required": true,
      "type": "im"
    },
    "ts": {
      "desc": "Timestamp of the most recently seen message.",
      "required": true,
      "type": "timestamp"
    }
  },
  "desc": "Sets the read cursor in a direct message channel.",
  "errors": {
    "channel_not_found": "Value passed for `channel` was invalid.",
    "invalid_timestamp": "Value passed for `timestamp` was invalid.",
    "not_in_channel": "Caller is not a member of the channel."
  }
}