https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/kendra/model/DocumentAttribute.html
DocumentAttribute (AWS SDK for Java - 1.12.797)
aws sdk for javadocumentattribute
https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-properties-qbusiness-dataaccessor-documentattribute.html
AWS::QBusiness::DataAccessor DocumentAttribute - AWS CloudFormation
A document attribute or metadata field.
awsqbusinessdocumentattributecloudformation