# Type Alias: MessageId

> **MessageId**: `Brand`\<\`$\{boolean\}\_$\{ChatId\}\_$\{string\}\`, `"MessageId"`\>

The id of a message. The format is `[boolean]_[ChatId]_[random character string]`

Example:

`"false_447123456789@c.us_9C4D0965EA5C09D591334AB6BDB07FEB"`
