Access flags:
(Check amx/examples/include/amxconst.inc to see the equivalents of these flags for amx plugins)
a - immunity (can't be slapped/slayed/kicked/banned and affected by other commmands)
b - reservation (can join on reserved slot)
c - amx_kick command
d - amx_ban command (temporary bans only, add flag "v" for permanent bans)
e - amx_slap, amx_slay and amx_teammenu commands
f - amx_map command
g - amx_cvar command (not all cvars will be available) h - amx_cfg and other config commands
i - amx_chat and other chat commands
j - amx_vote and other vote commands
k - access to sv_password cvar (by amx_cvar command)
l - amx_rcon and amx_clcmd commands and rcon_password cvar (by amx_cvar command)
m - custom level A (access to amx_teleportmenu command)
n - custom level B
o - custom level C
p - custom level D
q - custom level E
r - custom level F
s - custom level G
t - custom level H
u - menu access (and other menu commands)
v - permanent bans (to permanently ban, you need both "d" and "v" flags)
w - amx_unban command
y - supreme admin (this flag permits you to execute commands on admins who have immunity)
z - user (don't use that access flag with admins!)