CSecurity::ignore
From King Arthur's Gold Wiki
Ignores/mutes the given player (by name or CPlayer reference) for the given length of time, in minutes.
If this is done clientside, it will ignore the player. If this is done serverside, it will mute the player.
void ignore( CPlayer@ player, const int minutes ) void ignore( const string &in username, const int minutes )
Object method of: CSecurity