Set this configuration key in the results page (preferred) or search package configuration.
Use the configuration key editor to add or edit the ui.modern.metadata-alias.[alias] key, and set the value. This can be set to any valid String value.
Default value
When a user types filetype:pdf in a query we change that to look in metadata f by setting:
ui.modern.metadata-alias.filetype=f
Other default aliases are:
ui.modern.metadata-alias.allinurl=v
ui.modern.metadata-alias.link=h
ui.modern.metadata-alias.site=u