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# DiskArbitration Functions

## Topics

### Functions

[`extern DAApprovalSessionRefDAApprovalSessionCreate(CFAllocatorRef allocator);`](/documentation/DiskArbitration/DAApprovalSessionCreate)

[`extern CFTypeID DAApprovalSessionGetTypeID();`](/documentation/DiskArbitration/DAApprovalSessionGetTypeID)

[`extern void DAApprovalSessionScheduleWithRunLoop(DAApprovalSessionRef session, CFRunLoopRef runLoop, CFStringRef runLoopMode);`](/documentation/DiskArbitration/DAApprovalSessionScheduleWithRunLoop)

[`extern void DAApprovalSessionUnscheduleFromRunLoop(DAApprovalSessionRef session, CFRunLoopRef runLoop, CFStringRef runLoopMode);`](/documentation/DiskArbitration/DAApprovalSessionUnscheduleFromRunLoop)


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