Let us set an alias for the Ref field.
- Click the Unions/Aliases tab.
- In the Field name column, change Ref to Document (fig. 13.11).
Fig. 13.11. Specifying query field aliases
Note. If you want to change a field name, we recommend that you do it in a query because field names are replicated to three data composition schema columns at once: Field, Path, and Title. This eliminates the need to change them in three locations.