---
title: dnssd Functions
framework: dnssd
role: collectionGroup
role_heading: API Collection
path: dnssd/dnssd-functions
---

# dnssd Functions

## Topics

### Functions

- [DNSServiceSleepKeepalive(_:_:_:_:_:_:)](dnssd/dnsservicesleepkeepalive(_:_:_:_:_:_:).md)
- [DNSServiceAttributeCreate()](dnssd/dnsserviceattributecreate().md)
- [DNSServiceAttributeDeallocate(_:)](dnssd/dnsserviceattributedeallocate(_:).md)
- [DNSServiceAttributeSetAAAAPolicy(_:_:)](dnssd/dnsserviceattributesetaaaapolicy(_:_:).md)
- [DNSServiceAttributeSetHostKeyHash(_:_:)](dnssd/dnsserviceattributesethostkeyhash(_:_:).md)
- [DNSServiceAttributeSetTimestamp(_:_:)](dnssd/dnsserviceattributesettimestamp(_:_:).md)
- [DNSServiceQueryRecordWithAttribute(_:_:_:_:_:_:_:_:_:)](dnssd/dnsservicequeryrecordwithattribute(_:_:_:_:_:_:_:_:_:).md)
- [DNSServiceRegisterRecordWithAttribute(_:_:_:_:_:_:_:_:_:_:_:_:_:)](dnssd/dnsserviceregisterrecordwithattribute(_:_:_:_:_:_:_:_:_:_:_:_:_:).md)
- [DNSServiceRegisterWithAttribute(_:_:_:_:_:_:_:_:_:_:_:_:_:)](dnssd/dnsserviceregisterwithattribute(_:_:_:_:_:_:_:_:_:_:_:_:_:).md)
- [DNSServiceSendQueuedRequests(_:)](dnssd/dnsservicesendqueuedrequests(_:).md)
- [DNSServiceUpdateRecordWithAttribute(_:_:_:_:_:_:_:)](dnssd/dnsserviceupdaterecordwithattribute(_:_:_:_:_:_:_:).md)

## See Also

### Reference

- [DNS Service Discovery C](dnssd/dns-service-discovery-c.md)
- [dnssd Enumerations](dnssd/dnssd-enumerations.md)
- [dnssd Data Types](dnssd/dnssd-data-types.md)
- [dnssd Constants](dnssd/dnssd-constants.md)