add _3gpp-5gc-nrm-dccffunction.yang to align with stage2

module _3gpp-5gc-nrm-dccffunction {

  yang-version 1.1;

  namespace urn:3gpp:sa5:_3gpp-5gc-nrm-dccffunction;

  prefix dccf3gpp;

  import _3gpp-common-managed-function { prefix mf3gpp; }

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

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

  import _3gpp-5g-common-yang-types { prefix types5g3gpp; }

  import _3gpp-common-top { prefix top3gpp; }

  import _3gpp-5gc-nrm-managed-nfprofile { prefix mnfp3gpp; }

  import ietf-inet-types { prefix inet; }

  organization "3gpp SA5";

  contact

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

  description "This IOC represents the DCCF function in 5GC.

    For more information about the DCCF, see TS 23.501.

    Copyright 2026, 3GPP Organizational Partners (ARIB, ATIS,

    CCSA, ETSI, TSDSI, TTA, TTC). All rights reserved.";

  reference "3GPP TS 28.541";

  revision 2026-04-25 { reference "CR-"; }

  grouping DccfInfoGrp {

    description "This data type represents the Specific

      data for the DCCF.";

      reference "See clause 6.1.6.2.46 TS 29.510.";

    leaf-list servingNfTypeList {

      type types3gpp:NfType;

      description "This attribute represents the list of

        NF type(s) from which the DCCF NF can collect

        data. The absence of this attribute indicates

        that the DCCF can collect data from any NF

        type.";

        //optional

    }

    leaf-list servingNfSetIdList {

      type string;

      description "This attribute represents the list of

        NF Set Id(s) from which the DCCF NF can collect

        data. The absence of this attribute indicates

        that the DCCF can collect data from any NF

        Set.";

        //optional

    }

    list taiList {

      description "This attribute represents the list of

        TAIs the DCCF can serve. It may contain one or

        more non-3GPP access TAIs. The absence of both

        this attribute and the taiRangeList attribute

        indicates that the DCCF can be selected for any

        TAI in the serving network.";

        //optional

      key idx;

      leaf idx { type uint32; }

      uses types3gpp:TaiGrp;

    }

    list taiRangeList {

      description "This attribute represents the range

        of TAIs the DCCF can serve. It may contain one

        or more non-3GPP access TAI ranges. The absence

        of both this attribute and the taiList attribute

        indicates that the DCCF can be selected for any

        TAI in the serving network.";

        //optional

      key idx;

      leaf idx { type uint32; }

      uses types5g3gpp:TaiRangeGrp;

    }

  }

  grouping DCCFFunctionGrp {

    description "Represents the DCCFFunction IOC.";

    uses mf3gpp:ManagedFunctionGrp;

    list pLMNInfoList {

      description "It defines the PLMN(s) of a Network

        Function.";

      key "mcc mnc sd sst";

      min-elements 1;

      uses types5g3gpp:PLMNInfo;

    }

    leaf sBIFQDN {

      description "The FQDN of the registered NF instance

        in the service-based interface.";

      type inet:domain-name;

    }

    leaf-list cNSIIdList {

      description "NSI ID. NSI ID is an identifier for

        identifying the Core Network part of a Network

        Slice instance when multiple Network Slice

        instances of the same Network Slice are deployed,

        and there is a need to differentiate between them

        in the 5GC, see clause 3.1 of TS 23.501 and

        subclause 6.1.6.2.7 of 3GPP TS 29.531.";

      type string;

      //optional

    }

    list managedNFProfile {

      key idx;

      leaf idx { type uint32; }

      min-elements 1;

      max-elements 1;

      description "Profile definition of a Managed NF

        (See TS 23.501).";

      uses mnfp3gpp:ManagedNFProfileGrp;

    }

    list commModelList {

      min-elements 1;

      key "groupId";

      description "Specifies a list of commModel. It can

        be used by NF and NF services to interact with

        each other in 5G Core network.";

      reference "3GPP TS 23.501";

      uses types5g3gpp:CommModel;

    }

    list dccfInfo {

      description "This attribute represents information

        of a DCCF NF Instance.";

        //optional

      max-elements 1;

      key idx;

      leaf idx { type uint32; }

      uses DccfInfoGrp;

    }

  }

  augment "/me3gpp:ManagedElement" {

    list DCCFFunction {

      description "5G Core DCCF Function";

      reference "3GPP TS 28.541";

      key id;

      uses top3gpp:Top_Grp;

      container attributes {

        uses DCCFFunctionGrp;

      }

      uses mf3gpp:ManagedFunctionContainedClasses;

    }

  }

}

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

  description "This IOC represents the NRF function in 5GC.

               For more information about the NRF, see 3GPP TS 23.501 [2].

    Copyright 2025, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI,

    Copyright 2026, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI,

    TTA, TTC). All rights reserved.";

  reference "3GPP TS 28.541";

  revision 2026-04-25 { reference CR- ; }

  revision 2025-11-01 { reference CR-1640 ; }

  revision 2025-07-25 { reference CR-1558 ; }

  revision 2025-01-25 { reference CR-1442 ; }

    list internalTargetArea {

      description "It is the (internal) target area used by NRF (as provided 

        by NEF) to accurately locate the AIOTF instance. It is mapped to aIOTFdN. 

        by NEF) to accurately locate the AIOTF instance. It is mapped to 

        aIOTFdN.

        It could refer to a list of AIoT Areas.";

      key idx;

      leaf idx { type uint32; }