its a script i took from a topic




	if(strcmp(cmd, "/jail", true) == 0) {
		new tmp[256];
		tmp = strtok(cmdtext, idx);
		if(!strlen(tmp)) {
			SendClientMessage(playerid, RED, "Usage: /jail [Player ID]");
		}
		giveplayerid = strval(tmp);

		if (gTeam[playerid] == TEAM_COP) {                    // this can be changed to admin if you wish
			if (IsPlayerConnected(giveplayerid)) {
				GetPlayerName(giveplayerid, giveplayer, sizeof(giveplayer));
				GetPlayerName(playerid, sendername, sizeof(sendername));
				format(string, sizeof(string), "You have jailed %s (ID:%d)", giveplayer, giveplayerid);
				SendClientMessage(playerid, RED, string);
				format(string, sizeof(string), "You have been jailed by %s (ID:%d)!", sendername, playerid);
				SendClientMessage(giveplayerid, RED, string);
				format(string, sizeof(string), "%s (ID:%d) has been jailed by %s (ID:%d)", giveplayer, giveplayerid, sendername, playerid);
				SendClientMessageToAll(RED, string);
				printf(string);
				SetPlayerInterior(giveplayerid,3);
				SetPlayerPos(giveplayerid,198.3797,160.8905,1003.0300);
				SetPlayerFacingAngle(giveplayerid,177.0350);
				SetCameraBehindPlayer(giveplayerid);
				PlayerPlaySound(giveplayerid,1082,198.3797,160.8905,1003.0300);
				TogglePlayerControllable(giveplayerid,0);   // sp that can't /kill
				DisablePlayerCheckpoint(giveplayerid);
			}else{
				format(string, sizeof(string), "id %d is not an active player.", giveplayerid);
				SendClientMessage(playerid, RED, string);
		}else{
			format(string, sizeof(string), "You are not official", giveplayerid);
			SendClientMessage(playerid, RED, string);
		}
		return 1;
	}
	if(strcmp(cmd, "/unjail", true) == 0) {
		new tmp[256];
		tmp = strtok(cmdtext, idx);
		if(!strlen(tmp)) {
			SendClientMessage(playerid, RED, "Usage: /jail [Player ID]");
		}
		giveplayerid = strval(tmp);

		if (gTeam[playerid] == TEAM_COP) {
			if (IsPlayerConnected(giveplayerid)) {
				GetPlayerName(giveplayerid, giveplayer, sizeof(giveplayer));
				GetPlayerName(playerid, sendername, sizeof(sendername));
				format(string, sizeof(string), "You have unjailed %s (ID:%d)", giveplayer, giveplayerid);
				SendClientMessage(playerid, RED, string);
				format(string, sizeof(string), "You have been unjailed by %s (ID:%d)!", sendername, playerid);
				SendClientMessage(giveplayerid, RED, string);
				format(string, sizeof(string), "%s (ID:%d) has been unjailed by %s (ID:%d)", giveplayer, giveplayerid, sendername, playerid);
				SendClientMessageToAll(RED, string);
				printf(string);
				SetPlayerInterior(giveplayerid,0);
				SetPlayerFacingAngle(giveplayerid,90.00);
				SetPlayerPos(giveplayerid,2296.4031,2468.7754,10.8203);
				SetPlayerFacingAngle(giveplayerid,177.0350);
				SetCameraBehindPlayer(giveplayerid);
				TogglePlayerControllable(giveplayerid,1);
			}else{
				format(string, sizeof(string), "id %d is not an active player.", giveplayerid);
				SendClientMessage(playerid, RED, string);
		}else{
			format(string, sizeof(string), "You are not official", giveplayerid);
			SendClientMessage(playerid, RED, string);
		}
		return 1;
	}