public FileUploadCard withFileId(String fileId) {
        setFileId(fileId);
        return this;
    }
<p>
The unique identifier of the file associated with the card.
</p>

@param fileId
       The unique identifier of the file associated with the card.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-qapps/src/main/java/com/amazonaws/services/qapps/model/FileUploadCard.java