code: public void setArtworkType(com.google.api.ads.admanager.axis.v201805.RichMediaStudioCreativeArtworkType artworkType) {
          this.artworkType = artworkType;
      }
docs: Sets the artworkType value for this BaseRichMediaStudioCreative.
  
  @param artworkType   * The type of artwork used in this creative. This attribute is
  readonly.