# viewerCesiumInspectorMixin

widgets/Source/Viewer/viewerCesiumInspectorMixin.js 20
A mixin which adds the CesiumInspector widget to the Viewer widget. Rather than being called directly, this function is normally passed as a parameter to `Viewer#extend`, as shown in the example below.

##### Example:

    const viewer = new Cesium.Viewer('cesiumContainer');
    viewer.extend(Cesium.viewerCesiumInspectorMixin);

##### Demo:

- Cesium Sandcastle Cesium Inspector Demo

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