MatchManagement.cs

using CounterStrikeSharp.API;
using CounterStrikeSharp.API.Core;
using CounterStrikeSharp.API.Core.Attributes.Registration;
using CounterStrikeSharp.API.Modules.Commands;
using CounterStrikeSharp.API.Modules.Utils;
using CounterStrikeSharp.API.Modules.Timers;
using CounterStrikeSharp.API.Modules.Memory;



namespace MatchZy
{

    public partial class MatchZy
    {
        [ConsoleCommand("css_team1", "Sets team name for team1")]
        public void OnTeam1Command(CCSPlayerController? player, CommandInfo command) {
            HandleTeamNameChangeCommand(player, command.ArgString, 1);
        }

        [ConsoleCommand("css_team2", "Sets team name for team1")]
        public void OnTeam2Command(CCSPlayerController? player, CommandInfo command) {
            HandleTeamNameChangeCommand(player, command.ArgString, 2);
        }


        public void HandleTeamNameChangeCommand(CCSPlayerController? player, string teamName, int teamNum) {
            if (!IsPlayerAdmin(player)) return;
            if (teamName == "") {
                ReplyToUserCommand(player, "Usage: !team1 <name>");
            }
            Server.ExecuteCommand($"mp_teamname_{teamNum} {teamName};");
        }

    }
}