To establish a connection with the MiniIo data source, click on the **+ Add new data source** button located on the query panel or navigate to the [Data Sources](/docs/data-sources/overview) page from the ToolJet dashboard.
<imgclassName="screenshot-full"src="/img/datasource-reference/minio/listBucket.png"alt="minIo list bucket"style={{marginBottom:'15px'}}/>
### List Objects in a Bucket
List objects within a specified bucket.
#### Required Parameters
- **Bucket**
#### Optional Parametes
- **Prefix**
<imgclassName="screenshot-full"src="/img/datasource-reference/minio/listObjectBucket.png"alt="minIo list objects in a bucket"style={{marginBottom:'15px'}}/>
### Presigned URL for Download
Generate a presigned URL for downloading an object.
#### Required Parameter:
- **Bucket**
- **Object Name**
#### Optional Parameter:
- **Expires in**
<imgclassName="screenshot-full"src="/img/datasource-reference/minio/urlDownload.png"alt="minIo presigned url for download"style={{marginBottom:'15px'}}/>
### Presigned URL for Upload
Generate a presigned URL for uploading an object.
#### Required Parameter:
- **Bucket**
- **Object Name**
#### Optional Parameter:
- **Expires in**
<imgclassName="screenshot-full"src="/img/datasource-reference/minio/urlDownload.png"alt="minIo presigned url for download"style={{marginBottom:'15px'}}/>