You're seeing just the function get, go back to SlackWeb.Reactions module for more information.
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get(optional_params \\ %{})

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Gets reactions for an item.

Optional Params

  • channel - Channel where the message to get reactions for was posted.
  • file - File to get reactions for.
  • file_comment - File comment to get reactions for.
  • full - If true always return the complete reaction list.
  • timestamp - Timestamp of the message to get reactions for.

Errors the API can return:

  • bad_timestamp - Value passed for timestamp was invalid.
  • file_comment_not_found - File comment specified by file_comment does not exist.
  • file_not_found - File specified by file does not exist.
  • message_not_found - Message specified by channel and timestamp does not exist.
  • no_item_specified - file, file_comment, or combination of channel and timestamp was not specified.