example

function Guildplayersreward(event, player)
print("fire 2")
        if(player:IsInGuild()==true)then
            print("fire 3")
            local Vip = ACCT[GetAcctId(v)].Vip
            a=(5*Vip)
            player:SendBroadcastMessage("|cff00cc00Thank you for playing.|r")
            UpdateMG(player, a)
            end
        if(player:IsInGuild()==false)then
            print("Fire 4")
            player:SendBroadcastMessage("|cff00cc00Join a guild and earn hourly rewards.|r")
            end
        end
 -- 60000 = 1 minute
 -- 1800000 = 30 minutes
function Mgreward(event, player)
    print("fire 1")
    CreateLuaEvent(function() Guildplayersreward(event, player); end, 60000, 0)
end
RegisterPlayerEvent(3, Mgreward)