Migration

Use this page of the GDL Object Editor to define the older-version objects that should be migrated to the currently opened (newer-version) object.

GDL_MigrationWindow.png 

Fill in the main GUID of any old object that can be migrated to this new, currently opened object.

Fill in a version number for the old object (typically the version of a previous Archicad): when the project is saved back to the previous version (and if “Convert library objects backward” is set in Options from the Save As dialog box), this new object will be migrated to an old object in the migration table which has been assigned the corresponding version number. The Backward Migration script will consider all such rows until the first successful run.

Note: if you enter 0 for the version number, backward migration will skip this object.