Histrogram from TTree

I want to create a 1D histogram using 4 variables from a TTree.

When I use 2 variables I write,

How do i do the same with 4 variables?


What do you want to plot from your 4 variables? You want to sum up them, to use some of them as condition, … Could you give us more details?

Oops sorry!
Yes, I want to use them as conditions. Each variable has a specific cut.

You can specify any logical expression (combining any variables in the tree) in the “cut parameters”

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