Update _3gpp-nr-nrm-ntnfunction.yang

  import ietf-yang-types { prefix yang; }

  import _3gpp-common-managed-element { prefix me3gpp; }

  import _3gpp-common-subnetwork { prefix subnet3gpp; }

  import _3gpp-common-yang-types { prefix typesyang; }

  import _3gpp-common-yang-types { prefix types3gpp; }

  organization "3gpp SA5";

  contact "https://www.3gpp.org/DynaReport/TSG-WG--S5--officials.htm?Itemid=464";

  description "Implements support the C-SON function of Capacity and 

    leaf nTNConfEntity {

      type types3gpp:DistinguishedName;

      min-elements 1;

      description "Specifies the DN of a specific NTN related MOI.

      allowedValues:  DN of of the following MOIs:

      EP_NgC, NRCellCU, NRCellDU, NRSectorCarrier,

    list nTNEntityConfigRefList {

      key name;

      config false ;

      yext3gpp:notNotifyable;

      config true;

      uses types3gpp:nameValuePair

      description "Specifies the list of configuration parameters and values.

      The content of the attribute is a list of attributeName- attributeValue

      pairs.  AttributeValues may be complex types.";

    }    

  }

  grouping NTNTimeBasedConfigGrp {

    description "This IOC represents a configuration to be applied during

    a specified time window.

    to MOI(s) during the specified timeWindow.";

    leaf timeWindow {

      type types3gpp:TimeWindowGrp;

      uses types3gpp:TimeWindowGrp;

      config true;

      description "It defines the time window.";

    }