---
title: FSRefParam
framework: Core Services
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 17.0+, macOS 10.0+]
path: coreservices/fsrefparam
---

# FSRefParam

## Declaration

```occ
typedef struct FSRefParam {
    ...
} FSRefParam;
```

## Topics

### Instance Properties

- [catInfo](coreservices/fsrefparam/1565600-catinfo.md)
- [ioCmdAddr](coreservices/fsrefparam/1565900-iocmdaddr.md)
- [ioCompletion](coreservices/fsrefparam/1565585-iocompletion.md)
- [ioDirID](coreservices/fsrefparam/1566123-iodirid.md)
- [ioNamePtr](coreservices/fsrefparam/1565079-ionameptr.md)
- [ioResult](coreservices/fsrefparam/1565499-ioresult.md)
- [ioTrap](coreservices/fsrefparam/1566061-iotrap.md)
- [ioVRefNum](coreservices/fsrefparam/1565159-iovrefnum.md)
- [name](coreservices/fsrefparam/1566023-name.md)
- [nameLength](coreservices/fsrefparam/1565524-namelength.md)
- [newRef](coreservices/fsrefparam/1565860-newref.md)
- [outName](coreservices/fsrefparam/1566177-outname.md)
- [parentRef](coreservices/fsrefparam/1566137-parentref.md)
- [qLink](coreservices/fsrefparam/1566546-qlink.md)
- [qType](coreservices/fsrefparam/1565114-qtype.md)
- [ref](coreservices/fsrefparam/1566586-ref.md)
- [reserved1](coreservices/fsrefparam/1565754-reserved1.md)
- [reserved2](coreservices/fsrefparam/1566763-reserved2.md)
- [reserved3](coreservices/fsrefparam/1565657-reserved3.md)
- [spec](coreservices/fsrefparam/1566040-spec.md)
- [textEncodingHint](coreservices/fsrefparam/1566646-textencodinghint.md)
- [whichInfo](coreservices/fsrefparam/1566051-whichinfo.md)