# GetU1Item
### int GetIU1tem(int lMsgId, byte\[] pnValue)
수신한 SECS메시지의 U1(Unsigned Integer 1 Byte) Item을 읽음.
반환값은 U1 Item의 Size를 의미함
Parameters
| | |
|---|
| Name | Type | Description |
| lMsgId | int | 수신한 Message의 ID |
| pnValue | byte[] | U1 Item을 저장할 byte배열 |
```csharp
// 1. 개수 확인
int nCount = m_gem.GetNextItemCount(lMsgId);
if (nCount > 0)
{
// 2. 배열 생성 및 읽기
byte[] vData = new byte[nCount];
m_gem.GetU1Item(lMsgId, vData);
Console.WriteLine($"첫 번째 값: {vData[0]}, 총 개수: {nCount}");
}
```
---
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