[Pokas]

Hi, i need help with my code.

plugin.sp(23) : warning 219: local variable "client" shadows a variable at a preceding level
plugin.sp(23) : error 017: undefined symbol "event"

#include <sourcemod>
#include <cstrike>
#include <sdktools>
#include <sdkhooks>




public OnPluginStart()
{
	RegAdminCmd("sm_buyvip", buy, ADMFLAG_RCON);
}

public Action buy(int client, int args)
{
	int client = GetClientOfUserId(event.GetInt ("userid"));
	
	if (GetClientTeam(client) == CS_TEAM_T && GetClientTeam(client) == CS_TEAM_CT) // I know it's unnecessary x
	{
			char SteamID[32];
			GetClientAuthId(client, AuthId_Steam2, SteamID, 32, true);
			AddUserFlags(client, ADMFLAG_RESERVATION);
	}
}

I chose the wrong department, I wanted to choose sourcemod