You can rename a filter. See Managing Filters for information about permissions needed to manage filters.
To rename a filter:
From Enterprise View or a custom view, select a database.
Right-click and select Edit, then Filters.
In the Filters window, select the filter that you want to rename.
Right-click and select Rename filter.
Click OK to return to the Filters window.
alter object (MaxL) in the Oracle Essbase Technical Reference
renamefilter (ESSCMD) in the Oracle Essbase Technical Reference