# updatePKEYDeleteBitmap {#updatepkeydeletebitmap}

**Parent topic:**[Functions](../../Functions/category.md)

## Syntax {#syntax}

`updatePKEYDeleteBitmap(chunkId)`

## Arguments {#arguments}

**chunkId**is a STRING scalar or vector indicating the target chunk ID\(s\).

## Details {#details}

Refresh the PKEY engine's delete bitmap and clear the staging buffer when finished.

## Examples {#id_pg1_qxp_zbc}

``` {#pre_sdk_qxp_zbc}
updatePKEYDeleteBitmap(chunkId="1486f935-6f87-479c-b341-34c6a303d4f9")
```

