Method create

src/cdk/overlay/overlay.ts:137–139

* Creates an overlay. * @param config Configuration applied to the overlay. * @returns Reference to the created overlay.

(config?: OverlayConfig)

   * @returns Reference to the created overlay.
   */
  create(config?: OverlayConfig): OverlayRef {
    return createOverlayRef(this._injector, config);
  }

  /**
   * Gets a position builder that can be used, via fluent API,