A reusable exact-match tag with a name and a value.
name
value
Absent fields are :unset; nil is JSON null. extra holds response fields that this version of the SDK does not know.
:unset
nil
null
extra
@type t() :: %Lettermint.Types.MessageTagInput{ extra: %{optional(String.t()) => term()}, name: String.t(), value: String.t() }