Options > Settings > User > Display > Identifier.
In this dialog you can specify how new structure identifiers should be handled when created.
The following dialog elements are available:
Enter new identifiers in alphabetical order:
You can use this option to specify that all new structure identifiers should be sorted into the various identifier tables in alphabetical order.
Add new identifiers to the end:
You can use this option to specify that all new structure identifiers should always be added to the end of each identifier table.
Tip:
If necessary, you can also set another sorting of new structure identifiers in structure identifier management later on.