code: func expandCustomizationUserData(d *schema.ResourceData) types.CustomizationUserData {
  	obj := types.CustomizationUserData{
  		FullName: d.Get(cWindowsKeyPrefix + "." + "full_name").(string),
  		OrgName:  d.Get(cWindowsKeyPrefix + "." + "organization_name").(string),
  		ComputerName: &types.CustomizationFixedName{
  			Name: d.Get(cWindowsKeyPrefix + "." + "computer_name").(string),
  		},
  		ProductId: d.Get(cWindowsKeyPrefix + "." + "product_key").(string),
  	}
  	return obj
  }
docs: // expandCustomizationUserData reads certain ResourceData keys and
  // returns a CustomizationUserData.