{
  "args": {
    "channel": {
      "desc": "Channel ID for channel containing the messages to query.",
      "required": true,
      "type": "string"
    },
    "cursor": {
      "desc": "Paginate through collections of data by setting the `cursor` parameter to a `next_cursor` attribute returned by a previous request's `response_metadata`. Default value fetches the first \"page\" of the collection. See pagination for more details.",
      "example": "abcd...",
      "required": false,
      "type": "string"
    },
    "latest_ts": {
      "desc": "Most recent timestamp to include in the results. If not passed, defaults to current time.",
      "required": false,
      "type": "string"
    },
    "oldest_ts": {
      "desc": "Oldest timestamp to include in the results",
      "required": false,
      "type": "string"
    }
  },
  "desc": "Retrieves metadata for a list of messages from a given channel.",
  "errors": {
    "access_denied": "Access to a resource specified in the request is denied.",
    "accesslimited": "Access to this method is limited on the current network",
    "account_inactive": "Authentication token is for a deleted user or workspace when using a `bot` token.",
    "admin_analytics_disabled": "We're having issues returning your analytics. Please wait and try again.",
    "analytics_unavailable": "We were unable to find analytics for you.",
    "channel_not_found": "The specified channel was not found",
    "deprecated_endpoint": "The endpoint has been deprecated.",
    "different_team_owns_message_metadata_for_channel": "Message metadata must be accessed by an actor from the same team that owns the channel. This may be the org or a specific enterprise workspace.",
    "ekm_access_denied": "Administrators have suspended the ability to post a message.",
    "enterprise_is_restricted": "The method cannot be called from an Enterprise.",
    "fatal_error": "The server could not complete your operation(s) without encountering a catastrophic error. It's possible some aspect of the operation succeeded before the error was raised.",
    "internal_error": "The server could not complete your operation(s) without encountering an error, likely due to a transient issue on our end. It's possible some aspect of the operation succeeded before the error was raised.",
    "invalid_arg_name": "The method was passed an argument whose name falls outside the bounds of accepted or expected values. This includes very long names and names with non-alphanumeric characters other than `_`. If you get this error, it is typically an indication that you have made a _very_ malformed API call.",
    "invalid_arguments": "Required arguments either were not provided or contain invalid values.",
    "invalid_array_arg": "The method was passed an array as an argument. Please only input valid strings.",
    "invalid_auth": "Some aspect of authentication cannot be validated. Either the provided token is invalid or the request originates from an IP address disallowed from making the request.",
    "invalid_charset": "The method was called via a `POST` request, but the `charset` specified in the `Content-Type` header was invalid. Valid charset names are: `utf-8` `iso-8859-1`.",
    "invalid_form_data": "The method was called via a `POST` request with `Content-Type` `application/x-www-form-urlencoded` or `multipart/form-data`, but the form data was either missing or syntactically invalid.",
    "invalid_post_type": "The method was called via a `POST` request, but the specified `Content-Type` was invalid. Valid types are: `application/json` `application/x-www-form-urlencoded` `multipart/form-data` `text/plain`.",
    "method_deprecated": "The method has been deprecated.",
    "missing_post_type": "The method was called via a `POST` request and included a data payload, but the request did not include a `Content-Type` header.",
    "missing_scope": "The token used is not granted the specific scope permissions required to complete this request.",
    "no_permission": "The workspace token used in this request does not have the permissions necessary to complete the request. Make sure your app is a member of the conversation it's attempting to post a message to.",
    "not_allowed_token_type": "The token type used in this request is not allowed.",
    "not_an_enterprise": "The user token does not belong to an enterprise.",
    "not_authed": "No authentication token provided.",
    "org_login_required": "The workspace is undergoing an enterprise migration and will not be available until migration is complete.",
    "ratelimited": "The request has been ratelimited. Refer to the `Retry-After` header for when to retry the request.",
    "request_timeout": "The method was called via a `POST` request, but the `POST` data was either missing or truncated.",
    "restricted_plan_level": "This feature is not available for your current product plan.",
    "service_unavailable": "The service is temporarily unavailable",
    "team_access_not_granted": "The token used is not granted the specific workspace access required to complete this request.",
    "team_added_to_org": "The workspace associated with your request is currently undergoing migration to an Enterprise Organization. Web API and other platform operations will be intermittently unavailable until the transition is complete.",
    "token_expired": "Authentication token has expired",
    "token_revoked": "Authentication token is for a deleted user or workspace or the app has been removed when using a `user` token.",
    "two_factor_setup_required": "Two factor setup is required."
  }
}