SAP Analysis for Office has a bunch of defined functions which can be used in VBA or otherwise, This function list was extracted from the BiExcelBase.tlb type library.
Function BExGetCellData(iMemberX As String, iMemberY As String, iDataProviderName As String)
Member of BiExcelBase.EaExcelFunctions
Function BExGetData(iDataProviderName As String, iDimensionValueList() As String)
Member of BiExcelBase.EaExcelFunctions
Sub CallbackAfterWorkbookClose()