office-ui-fabric-react/lib/components/Layer/LayerHost.Props.d.ts

Reusable React components for building experiences for Office 365.

import * as React from 'react';
export interface ILayerHostProps extends React.HTMLProps<HTMLElement> {
    /**
     * Defines the id for the layer host that Layers can target (using the hostId property.)
     */
    id: string;
}