This plugins blocks players from spraying, if you don't have the specified admin flag(cvar).
Spray sound still plays.
sm_aso_version // version cvar - do not edit
sm_aso_enabled 1 // enable/disable this plugin. default: "1".
sm_aso_flag "b" // admin flag needed to be able to spray. default: "b".
sm_aso_warn 1 // warn the player that he cant spray
sm_aso_warning "You are not allowed to spray" // used as a warning when a player without the admin flag is trying to spray
TheWreckingCrew6 - used some code from Super Spray Handler