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The zoom command handles the zoom of the primary camera in the scene. To activate this command, call:



The default options for zoom are:

options: {
  slider: null,


The slider option will initialize a range slider to control the zoom. It can be activated with the following code:

// minZoom must be no more than 1 with a default value of 0.1
// maxZoom must be no less than 1 with a default value of 10
api.commands.setCommandOptions('zoom', { slider: { minZoom: 0.5, maxZoom: 5 } });

Please note that if you enable the slider, you will no longer able to zoom with mouse scroll or pinch on touchable device. See Zoom Slider