> ## Documentation Index
> Fetch the complete documentation index at: https://www.plain.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# replyToEmail

> Replies to an existing email in a thread, threading the response correctly in email clients. Use inReplyToEmailId to identify the email being replied to. Supports CC and BCC recipients (up to 49 combined) and file attachments. Requires the email:create and email:read permissions.