code: public com.google.api.ads.admanager.axis.v201902.CreativeAsset[] getSecondaryImageAssets() {
          return secondaryImageAssets;
      }
docs: Gets the secondaryImageAssets value for this ImageCreative.
  
  @return secondaryImageAssets   * The list of secondary image assets associated with this creative.
  This attribute is optional.
  
  <p>Secondary image assets can be used to store
  different resolution versions of the
  primary asset for use on non-standard density
  screens.