!filesay

Reads and sends messages from a text file to chat. This command is only available to Broadcasters and Moderators.

This command takes one required parameter that is a URL to a text file.

!filesay https://example.com/messages.txt

(No output - command executes silently)

In case no URL is provided, returns the following:
Usage: !filesay <url>
In case filesay is not supported on the platform, returns the following:
Filesay is not supported on this platform.
In case an invalid URL is provided, returns the following:
Error: Invalid URL.