public AttachmentContent withHash(String hash) {
        setHash(hash);
        return this;
    }
<p>
The cryptographic hash value of the document content.
</p>

@param hash
       The cryptographic hash value of the document content.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/AttachmentContent.java