Displays usage of an admin command to users depending on the setting of the sm_show_activity cvar. All users receive a message in their chat text, except for the originating client, who receives the message based on the current ReplySource.
void ShowActivity2(int client, const char tag, const char format, any ...)
Client index doing the action, or 0 for server.
Tag to prepend to the message.
Variable number of format parameters.