code: func (r Virtual_Guest_Block_Device_Template_Group) GetImageType() (resp datatypes.Virtual_Disk_Image_Type, err error) {
  	err = r.Session.DoRequest("SoftLayer_Virtual_Guest_Block_Device_Template_Group", "getImageType", nil, &r.Options, &resp)
  	return
  }
docs: // Retrieve The virtual disk image type of this template. Value will be populated on parent and child, but only supports object filtering on the parent.