Membrane.Logger.set_prefix

You're seeing just the function set_prefix, go back to Membrane.Logger module for more information.

Specs

set_prefix(prefix :: String.t()) :: :ok

Sets the logger prefix. Avoid using in Membrane-managed processes.

This function is intended to enable setting prefix obtained in a Membrane-managed process via get_prefix/1. If some custom data needs to be prepended to logs, please use Logger.metadata/1.

Prefixes in Membrane-managed processes are set automatically and using this function there would overwrite them, which is usually unintended.