Use one workbooks variables from another?

[mikeyc1204]

Is it possible, while using workbookA, to call a macro from workbookB and access the variables from workbookB's macro?

workbookB has a macro named newSession()

I run it from workbookA with:
Application.Run "workbookB!Module1.newSession"

newSession populates a Global variable session1
is it possible to access the variable session1 from the code in workbookA?