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This SDK only works with devices released within the past 3 years. We regularly optimize and update the SDK to ensure compatibility and performance. We do not guarantee compatibility or provide technical support for devices older than 3 years.

# NET_SDK_FACE_MATCH_CHAN_GROUP

### Structure Definition

C++C#

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    typedef struct _net_sdk_face_match_chan_group_
    {
        unsigned int faceFeatureGroupsNum;
        unsigned int pfaceFeatureGroupIDs[16];
    } NET_SDK_FACE_MATCH_CHAN_GROUP;

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    [StructLayout(LayoutKind.Sequential, Pack = 4)]
    public struct NET_SDK_FACE_MATCH_CHAN_GROUP
    {
        public UInt32 faceFeatureGroupsNum;
        [MarshalAs(UnmanagedType.ByValArray, ArraySubType = UnmanagedType.U4, SizeConst = 16)]
        public UInt32[] pfaceFeatureGroupIDs;
    }

### Function Description

Face comparison channel group.

### Member Description

Member | Type | Remark
--- | --- | ---
faceFeatureGroupsNum | unsigned int | The number of target groups the channel has.
pfaceFeatureGroupIDs | unsigned int[16] | The target group ID list owned by the channel. The valid number is faceFeatureGroupsNum.

Error Code