when say a specific word to the area

[caspa]

can i request an npc that when a person is 5 - 10 cell away from him and say the word 'heal' the npc will heal him?

[QQfoolsorellina]

prontera,155,188,0    script    asdf    910,{

close;
    
OnHeal:
    getmapxy(.@nm$,.@nx,.@ny,1);
    getmapxy(.@pm$,.@px,.@py,0);
        set .@d,distance( .@px, .@py, .@nx, .@ny);
    if(.@d>=5 && .@d<=10 ){
        percentheal 100,100;
        specialeffect2 EF_HEAL;
    }
      
 end;

OnInit:
    defpattern 1, "([^:]+):.*\\sheal.*", "OnHeal";
    activatepset 1;          
end;
}