# Write Cluster Data Batches

`Nominal Client.lvclass:nominal_channel_writer.write_data_cluster.vi` · Palette: [Stream](https://dev.nominal.io/ni-labview/ref/stream.md) · [Source](https://github.com/nominal-io/labview-client/blob/HEAD/lv_src/Nominal%20Client/Palette%20Items/nominal_channel_writer.write_data_cluster.vi)

![](https://dev.nominal.io/ni-labview/_images/bd68be7f1d1af39625ca9febc313dbcb_viicon.png)

Synchronously writes a data cluster of records to a Nominal data source.  
See `Streaming Cluster Data` example for useage notes.

![Connector pane of Write Cluster Data Batches](https://dev.nominal.io/ni-labview/_images/bd68be7f1d1af39625ca9febc313dbcb_connpane.png)

## Inputs

**Nominal Client in** required
:   `Nominal Client.lvclass`

**Data Source RID** required
:   `String`

**Custom Cluster Streamer** required
:   `stream_custom_cluster.lvclass`

**tags**
:   `Map (String → String)`

**error in**
:   `Error cluster`

## Outputs

**Terminated**
:   `Boolean`

**Nominal Client out**
:   `Nominal Client.lvclass`

**error out**
:   `Error cluster`