str
Required. Value for the parent. The resource name of the
Corpus under which this index is created. Format:
projects/{project_number}/locations/{location_id}/corpora/{corpus_id}
index_id
str
Optional. The ID for the index. This will become the final
resource name for the index. If the user does not specify
this value, it will be generated by system.
This value should be up to 63 characters, and valid
characters are /a-z][0-9]-/. The first character must be a
letter, the last could be a letter or a number.