code: func (actor Actor) OrganizationExistsWithName(orgName string) (bool, Warnings, error) {
  	orgs, warnings, err := actor.CloudControllerClient.GetOrganizations(ccv2.Filter{
  		Type:     constant.NameFilter,
  		Operator: constant.EqualOperator,
  		Values:   []string{orgName},
  	})
  	if err != nil {
  		return false, Warnings(warnings), err
  	}
  
  	if len(orgs) == 0 {
  		return false, Warnings(warnings), nil
  	}
  
  	return true, Warnings(warnings), nil
  }
docs: // OrganizationExistsWithName returns true if there is an Organization with the
  // provided name, otherwise false.