# append_text_plain ```lua message:append_text_plain(content) ``` {{since('2024.06.10-84e84b89')}} Identifies the primary `text/plain` part of the message, decodes its transfer encoding, and appends the `content` string to it. The part is then re-transfer-encoded and the message data is updated. * See also: * [msg:set_data()](set_data.md) * [msg:append_text_html()](append_text_html.md)