SourcePawn - simple command - Lesson #1

#include <sourcemod>
#include <sdktools>

public OnPluginStart()
{
    RegAdminCmd("sm_sethp", sm_sethp, ADMFLAG_ROOT);
}

public Action:sm_sethp(int client, int args)
{
    char arg[86];

    GetCmdArg(0, arg, sizeof(arg));
    PrintToChatAll(arg);

    GetCmdArg(1, arg, sizeof(arg));
    PrintToChatAll(arg);

    GetCmdArg(2, arg, sizeof(arg));
    PrintToChatAll(arg);

    SetEntityHealth(client, 1);
}