# Log

`datasources.lvlib:dataset.lvclass:log.vi` · Palette: [Datasets](https://dev.nominal.io/ni-labview/ref/datasets.md) · [Source](https://github.com/nominal-io/labview-client/blob/HEAD/lv_src/datasources/dataset/log.vi)

![](https://dev.nominal.io/ni-labview/_images/ce4f951f7f6bda1e0cd4b10ab2e1c604_viicon.png)

![Connector pane of Log](https://dev.nominal.io/ni-labview/_images/ce4f951f7f6bda1e0cd4b10ab2e1c604_connpane.png)

## Inputs

**dataset in** required
:   `dataset.lvclass`

**Message** required
:   `String`

**Time Stamp (now)**
:   `Timestamp`

**Arguments**
:   `Map (String → String)`

**Channel**
:   `String`

**error in (no error)**
:   `Error cluster`

## Outputs

**dataset out**
:   `dataset.lvclass`

**error out**
:   `Error cluster`