# ZoomActor
ZoomActor is used by layout components whose content is zoomable or which serve as a control element for zooming. The zoom behavior can be controlled via the parameters listed below.
Using the parameters, usually one to two digit values are configured. Zoomable layout component interprets and extrapolates these value to a realistic value for the frontend.
# Properties
- Type:
components.ZoomComponent.ZoomActor
# Parameter
| Name | Type | Description |
|---|---|---|
| valueStep | number (default: 1) | size of the individual steps when zooming |
| minimum | number (default: -10) | minimum zoom value |
| maximum | number (default: 10) | maximum zoom value |
| zoomValue | number (default: 0) | initial zoom value |