Reference property
Button.Reference — Button
A reference to the button.
This property is a read-only property, meaning that no formula can be assigned to it.
Referencing buttons from formulas
When referencing a button from a formula, there is no need to write .Reference,Reference after the button name if a reference is sought. As such, these formulas are often equivalent:
Button1Button1
Button1.ReferenceButton1,Reference