updateMask property
The comma-separated list of product attributes to be updated.
Example: "title,salePrice". Attributes specified in the update mask
without a value specified in the body will be deleted from the product.
You must specify the update mask to delete attributes. Only top-level
product attributes can be updated. If not defined, product attributes with
set values will be updated and other attributes will stay unchanged. Only
defined if the method is update.
Implementation
core.String? updateMask;