You can use it in this way.
PHP Code:
#include <amxmodx>
#include <amxmisc>
public plugin_init() {
register_plugin("Say", "1.0", "PurposeLess")
register_clcmd("say", "clcmd_say")
register_clcmd("say_team", "clcmd_say")
}
public clcmd_say(id)
{
new arg[32]
read_args(arg, sizeof(arg) - 1)
remove_quotes(arg)
if(equali(arg, "/referral 123"))
{
}
}