---
title: requestPowerDomainState
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ioservice/1532751-requestpowerdomainstate
---

# requestPowerDomainState

## Declaration

```occ
virtual IOReturn requestPowerDomainState(IOPMPowerFlags desiredState, IOPowerConnection *whichChild, unsigned long specificationFlags);
```