---
title: CKDBStreamingAsset
framework: CKTool JS
role: symbol
role_heading: Structure
platforms: [cktool js 1.2.15+]
path: cktooljs/ckdbstreamingasset
---

# CKDBStreamingAsset

A streaming asset object that represents a streaming asset in CloudKit.

## Declaration

```data
dictionary CKDBStreamingAsset {
	string? fileSignature;
	string? referenceSignature;
	string? uploadReceipt;
	string? downloadUrl;
	Int64? requestedSize;
	Int64? uploadedSize;
	Int64? reservedSize;
};
```

## Overview

Overview CKDBStreamingAsset is used to start asset upload with minimal data. In JavaScript, this is a plain object with properties as described. In TypeScript, this type is imported in the following way: import type { CKDBStreamingAsset } from "@apple/cktool.database";

## Topics

### Instance Properties

- [downloadUrl](cktooljs/ckdbstreamingasset/downloadurl.md)
- [fileSignature](cktooljs/ckdbstreamingasset/filesignature.md)
- [referenceSignature](cktooljs/ckdbstreamingasset/referencesignature.md)
- [requestedSize](cktooljs/ckdbstreamingasset/requestedsize.md)
- [reservedSize](cktooljs/ckdbstreamingasset/reservedsize.md)
- [uploadReceipt](cktooljs/ckdbstreamingasset/uploadreceipt.md)
- [uploadedSize](cktooljs/ckdbstreamingasset/uploadedsize.md)

## See Also

### Structures

- [CKDBAsset](cktooljs/ckdbasset.md)
- [CKDBAssetUploadUrlResponse](cktooljs/ckdbassetuploadurlresponse.md)
- [CKDBChangeMetadata](cktooljs/ckdbchangemetadata.md)
- [CKDBCreateAssetUploadUrlRequestBody](cktooljs/ckdbcreateassetuploadurlrequestbody.md)
- [CKDBCreateRecordRequestBody](cktooljs/ckdbcreaterecordrequestbody.md)
- [CKDBCreateZoneRequestBody](cktooljs/ckdbcreatezonerequestbody.md)
- [CKDBDeleteRecordsByQueryRequestBody](cktooljs/ckdbdeleterecordsbyqueryrequestbody.md)
- [CKDBDeletedRecordResult](cktooljs/ckdbdeletedrecordresult.md)
- [CKDBErrorRecordResult](cktooljs/ckdberrorrecordresult.md)
- [CKDBExistingRecordResult](cktooljs/ckdbexistingrecordresult.md)
- [CKDBForRecord](cktooljs/ckdbforrecord.md)
- [CKDBLocation](cktooljs/ckdblocation.md)
- [CKDBLookupRecordsRequestBody](cktooljs/ckdblookuprecordsrequestbody.md)
- [CKDBLookupRecordsResponse](cktooljs/ckdblookuprecordsresponse.md)
- [CKDBModifyRecordRequestBody](cktooljs/ckdbmodifyrecordrequestbody.md)