add -nssaaffunction to align stage 2 and stage 3 yang

    }

  }

  grouping InternalGroupIdRangeGrp {

    description "This data type represents a range of Group

      IDs (internal group identities), either based on a

      numeric range, or based on regular-expression

      matching. (See TS 29.510).";

    reference "3GPP TS 28.541 clause 5.3.132";

    leaf start {

      description "It indicates first value identifying

        the start of an identity range, to be used when

        the range of identities can be represented as a

        consecutive numeric range.";

      type string;

    }

    leaf end {

      description "It indicates last value identifying

        the end of an identity range, to be used when

        the range of identities can be represented as a

        consecutive numeric range.";

      type string;

    }

    leaf pattern {

      description "It indicates pattern (regular

        expression according to the ECMA-262 dialect)

        representing the set of identities belonging to

        this range. An identity value is considered part

        of the range if and only if the identity string

        fully matches the regular expression.";

      type string;

    }

  }

  grouping SupportedVendorSpecificFeaturesGrp {

    description "This <<dataType>> represents a map of Vendor-Specific features,

      where the key of the map is the IANA-assigned SMI Network Management

module _3gpp-5gc-nrm-nssaaffunction {

  yang-version 1.1;

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

  prefix nssaaf3gpp;

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

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

  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 NSSAAF function in 5GC.

    For more information about the NSSAAF, 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 2026-03-25 { reference "CR-"; }

  grouping NssaafInfoGrp {

    description "This data type represents the information

      of a NSSAAF NF Instance.

      (See clause 6.1.6.2.104 TS 29.510).";

    list supiRanges {

      description "List of ranges of SUPIs that can be

        served by the NSSAAF instance.";

      key idx;

      leaf idx { type uint32; }

      uses types5g3gpp:SupiRangeGrp;

    }

    list internalGroupIdentifiersRanges {

      description "List of ranges of Internal Group

        Identifiers that can be served by the NSSAAF

        instance. If not provided, it does not imply

        that the NSSAAF supports all internal groups.";

      key idx;

      leaf idx { type uint32; }

      uses types5g3gpp:InternalGroupIdRangeGrp;

    }

  }

  grouping NSSAAFFunctionGrp {

    description "Represents the NSSAAFFunction 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;

    }

    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 nssaafInfo {

      description "This attribute represents information

        of a NSSAAF NF Instance.";

      max-elements 1;

      key idx;

      leaf idx { type uint32; }

      uses NssaafInfoGrp;

    }

  }

  augment "/me3gpp:ManagedElement" {

    list NSSAAFFunction {

      description "5G Core NSSAAF Function";

      reference "3GPP TS 28.541";

      key id;

      uses top3gpp:Top_Grp;

      container attributes {

        uses NSSAAFFunctionGrp;

      }

      uses mf3gpp:ManagedFunctionContainedClasses;

    }

  }

}