# Update Event Properties

`event.lvclass:update.properties.vi` · Palette: [Events](https://dev.nominal.io/ni-labview/ref/events.md) · [Source](https://github.com/nominal-io/labview-client/blob/HEAD/lv_src/event/Palette%20Items/update.properties.vi)

![](https://dev.nominal.io/ni-labview/_images/7725e0fb7357b1882d299d3012fe55a4_viicon.png)

![Connector pane of Update Event Properties](https://dev.nominal.io/ni-labview/_images/7725e0fb7357b1882d299d3012fe55a4_connpane.png)

## Inputs

**event in** required
:   `event.lvclass`

**properties** required
:   `Map (String → String)`

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

## Outputs

**event out**
:   `event.lvclass`

**error out**
:   `Error cluster`