The issue was solved Add child model in parent repeater's Compoenet.onCompleted.

Repeater { id: repeater1 model: backend.graphModel Component.onCompleted: { repeater2.model = model.GraphMaximumCount } } Repeater { id: repeater2 }

@JonB Hmmmm, i got. actually what i want to do is scrolling my chart. I have about 20 point, and i cant see all of them on the secreen. It shows just up to the size of the axis, and the others cant seen on the secreen. Ekran görüntüsü 2021-01-06 171507.png
There are too many datas on the right but we cannot see.

@ftsm
Congratulations with the baby ;)