Container for the parameters to the
DefineIndexField operation. Specifies the name of the domain you want to update and the index field configuration.
A string that represents the name of a domain. Domain names are unique across the domains owned by an account within an AWS region. Domain names start with a letter or number and can contain the following characters: a-z (lowercase), 0-9, and - (hyphen).
The index field and field options you want to configure.