• OPTION is the PROC TREE option,
Display the tree horizontally with the leaves to the right. Note : Each time another graph is generated with the same name, the name is modified by appending a number to make it unique.
Type a specific PROC TREE option in the Additional PROC TREE Options field.
For example, to specify a horizontal display, type HORDISPLAY in the text field.Refer to the SAS PROC TREE documentation for more information.