---
title: weakWithSpecification
framework: kernel
role: symbol
role_heading: Type Method
path: kernel/1547721-weakwithspecification
---

# weakWithSpecification

## Declaration

```occ
static IOReturn weakWithSpecification(IODMACommand **newCommand, SegmentFunction outSegFunc, UInt8 numAddressBits, UInt64 maxSegmentSize, MappingOptions mapType, UInt64 maxTransferSize, UInt32 alignment, IOMapper *mapper, void *refCon);
```

```occ
IOReturn weakWithSpecification(IODMACommand **newCommand, SegmentFunction outSegFunc, UInt8 numAddressBits, UInt64 maxSegmentSize, MappingOptions mapType, UInt64 maxTransferSize, UInt32 alignment, IOMapper *mapper, void *refCon);
```