Has Super Bum

-- if you want to do stuff global/ in differnet callacks.
local Has ={
    SuperBum = false,    -- variable which keeps track if you have Super Bum or not
}

function Mod:detectSuperBum(player)
    -- check if you have Super Bum
    if player:HasCollectible(CollectibleType.COLLECTIBLE_KEY_BUM)
    and player:HasCollectible(ColletibleType.COLLECTIBLE_DARK_BUM)
    and player:HasCollectible(CollectibleType.FOLLECTIBLE_BUM_FRIEND) then
        -- if yes set Has.SuperBum to true
        Has.SuperBum = true
    else
        -- if no set Has.SuperBum to false
        Has.SuperBum = false
    end
    if Has.SuperBum == true then    -- if the player has Super Bum
        -- then we do stuff
    end
end
Mod:AddCallback(ModCallbacks.MC_POST_PEFFECT_UPDATE, Mod.detectSuperBum)

-- if you wannt to keep things local

function Mod:detectSuperBum(player)
    local HasSuperBum = false    -- variable which keeps track if you have Super Bum

    -- check if you have Super Bum
    if player:HasCollectible(CollectibleType.COLLECTIBLE_KEY_BUM)
    and player:HasCollectible(ColletibleType.COLLECTIBLE_DARK_BUM)
    and player:HasCollectible(CollectibleType.FOLLECTIBLE_BUM_FRIEND) then
        -- if yes set HasSuperBum to true
        HasSuperBum = true
    end
    if HasSuperBum == true then    -- if the player has Super Bum
        -- then we do stuff
    end
end
Mod:AddCallback(ModCallbacks.MC_POST_PEFFECT_UPDATE, Mod.detectSuperBum)