Hello, I use Zcatalog to index my file. This file change often. They are deleted, added or modified. I have two choices to update my ZCatalog : first when I add a file, I add the file to the catalog (but it doesn't work) <dtml-let docAdding="_.getattr(PARENTS[0], idName)"> <dtml-call "companyDoc.catalog.catalog_object(docAdding,_.string.join(docAdding.getPhys icalPath(),'/'))"> </dtml-let> when I delete a file, I delete the file from the catalog (but it doesn't work) <dtml-let docAdding="_.getattr(PARENTS[0], idName)"> <dtml-call "companyDoc.catalog.uncatalog_object(_.string.join(docAdding.getPhysicalPath (),'/'))"> </dtml-let> second clear the catalog, and create all indexes in catalog again. <dtml-tree> <dtml-if "objectValues(['File'])"> <dtml-call "companyDoc.catalog.catalog_object(id,_.string.join(docAdding.getPhysicalPat h(),'/'))" </dtml-if> </dtml-tree> Can you help me to this two solutions work please ?