Commonly queried fields include fields, size as well as several other fields.
View available fields by calling ?metadata.
return.as
"DataFrame" (default), "records" (list), or "text" (JSON).
myvariant
A MyVariant object that describes how to connect to data resources. See MyVariant-class. If missing, default object will be used that accesses the main MyVariant.info portal. Default is recommended.