Don't read his tutorial. It sucks. Seriously. Read another one.
But for a quick fix,
Code:
#include <amxmodx>
#include <amxmisc>
#include <fun>
public plugin_init()
{
register_plugin("Say Lol And Get Slapped", "1.0", "eXec")
register_concmd("say lol", "lol")
register_cvar("slaplol_on", "1")
}
public lol(id)
if(get_cvar_num("slaplol_on"))
set_user_health(id, get_user_health(id) - 1)
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