code: public static MozuUrl deleteExtendedPropertyUrl(String key, String orderId, String updateMode, String version)
  	{
  		UrlFormatter formatter = new UrlFormatter("/api/commerce/orders/{orderId}/extendedproperties/{key}?updatemode={updateMode}&version={version}");
  		formatter.formatUrl("key", key);
  		formatter.formatUrl("orderId", orderId);
  		formatter.formatUrl("updateMode", updateMode);
  		formatter.formatUrl("version", version);
  		return new MozuUrl(formatter.getResourceUrl(), MozuUrl.UrlLocation.TENANT_POD) ;
  	}
docs: Get Resource Url for DeleteExtendedProperty
  @param key The extended property key.
  @param orderId Unique identifier of the order.
  @param updateMode Specifies whether to update the original order, update the order in draft mode, or update the order in draft mode and then commit the changes to the original. Draft mode enables users to make incremental order changes before committing the changes to the original order. Valid values are "ApplyToOriginal," "ApplyToDraft," or "ApplyAndCommit."
  @param version Determines whether or not to check versioning of items for concurrency purposes.
  @return   String Resource Url