With the help of the "File Manager" by the path csgo/addons/sourcemod/configs we find the file admins_simple.ini and add the necessary terms to it with our SteamID copied at the beginning of this guide. Example:
If you do not have this file, then you need to create it, how to use the file manager here
Where
STEAM_1:1:50819368 - Your STEAMID. 99:abcdefgjk is the administration priority, it can be from 0 to 100 and alphabetically. The higher the priority, the more "important" the administrator is than another administrator, we recommend setting it to 100.
Immunity - issued according to rank. The main administrator has a protection of 99. Vol oh, who has more importance can ban the one who has less importance. Rights - issued at your request, each written letter is responsible for different opportunities, which are described below.
a — reserve slot.
b — Generic admin; required for admins.
c — Player kick.
d — Player ban.
e — Rozban player.
f — Knock/kill a player.
g — Change maps.
h — Edit cvar parameters.
i — Connecting config.
j — Special chat privileges.
k — Run/create poll.
l — Setting a password on the server.
m — Using RCON commands.
z — Enable all flags (root).
o — Custom Group 1.
p — Custom Group 2.
q — Custom Group 3.
r — Custom Group 4.
s — Custom Group 5.
t — Custom Group 6.
Now you have become a server administrator and understood how to add moderators, and which parameter is responsible for what. Enjoy using the server!