How do I move the blue floatie thingy so that more water fills toilet reservoir?

[nike]

How do I move the blue cubic thingy so that more water will fill the reservoir?

https://imgur.com/a/k5YsPMK

 

[Doghouse Riley]

I've not seen this type of float before.But it looks if it either screws on, or pushes on. You just need to move it a bit further up the shaft.

 

[nike]

I'll find a way to move it up the shaft.