code: func (r User_Customer) GetActiveExternalAuthenticationVendors() (resp []datatypes.Container_User_Customer_External_Binding_Vendor, err error) {
  	err = r.Session.DoRequest("SoftLayer_User_Customer", "getActiveExternalAuthenticationVendors", nil, &r.Options, &resp)
  	return
  }
docs: // The getActiveExternalAuthenticationVendors method will return a list of available external vendors that a SoftLayer user can authenticate against.  The list will only contain vendors for which the user has at least one active external binding.