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abstract fun getChallenge(@NotNull prefix: @NotNull String, @NotNull id: @NotNull String): GuildChallenge(source)
Gets a single challenge by id.
Return
a `GuildChallenge` object representing the found challenge, or `null` if no challenge with the specified id exists.
Parameters
table
the prefix, if any, to use for the container's name.
id
the id of the challenge to retrieve.
Throws
if an I/O error occurs while retrieving the challenge.