---
title: WRITE_12
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioscsiblockcommandsdevice/3516752-write_12
---

# WRITE_12

## Declaration

```occ
bool WRITE_12(SCSITaskIdentifier request, IOMemoryDescriptor *dataBuffer, UInt32 blockSize, SCSICmdField3Bit WRPROTECT, SCSICmdField1Bit DPO, SCSICmdField1Bit FUA, SCSICmdField1Bit FUA_NV, SCSICmdField4Byte LOGICAL_BLOCK_ADDRESS, SCSICmdField6Bit GROUP_NUMBER, SCSICmdField4Byte TRANSFER_LENGTH, SCSICmdField1Byte CONTROL);
```