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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_VFD_TRIGGER_CONFIG

### Structure Definition

C++C#

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    typedef struct _net_sdk_Vfd_trigger_Config
    {
        unsigned short snapCHNum;
        unsigned char snapChannelId;
        unsigned char snapBswitch;
        unsigned short recordCHNum;
        unsigned char recordChannelId;
        unsigned char recordBswitch;
        unsigned short alarmOutCHNum;
        unsigned char alarmOutChannelId;
        unsigned char alarmOutBswitch;
        unsigned char Resv[256];
    } NET_SDK_VFD_TRIGGER_CONFIG;

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    [StructLayout(LayoutKind.Sequential, Pack = 4)]
    public struct NET_SDK_VFD_TRIGGER_CONFIG
    {
        public UInt16 snapCHNum;
        public byte snapChannelId;
        public byte snapBswitch;
        public UInt16 recordCHNum;
        public byte recordChannelId;
        public byte recordBswitch;
        public UInt16 alarmOutCHNum;
        public byte alarmOutChannelId;
        public byte alarmOutBswitch;
        [MarshalAs(UnmanagedType.ByValArray, ArraySubType = UnmanagedType.U1, SizeConst = 256)]
        public byte[] Resv;
    }

### Function Description

Face recognition linkage configuration structure.

### Member Description

Member | Type | Remark
--- | --- | ---
snapCHNum | unsigned short | Supports the maximum number of capture channels.
snapChannelId | unsigned char | Screen capture channel.
snapBswitch | unsigned char | Enable snapshot.
recordCHNum | unsigned short | Supports the maximum number of video channels.
recordChannelId | unsigned char | Video recording channel.
recordBswitch | unsigned char | Video recording enabled.
alarmOutCHNum | unsigned short | Supports the maximum number of alarm outputs.
alarmOutChannelId | unsigned char | Alarm output channel.
alarmOutBswitch | unsigned char | Alarm output enable.
Resv | unsigned char[256] | Reserved for future expansion of multi-channel.

Error Code