---
title: "OBEXAddTime4ByteHeader(_:_:)"
framework: IOBluetooth
role: symbol
role_heading: Function
path: "iobluetooth/obexaddtime4byteheader(_:_:)"
---

# OBEXAddTime4ByteHeader(_:_:)

Add a CFStringRef to a dictionary of OBEXheaders.

## Declaration

```swift
func OBEXAddTime4ByteHeader(_ time4Byte: UInt32, _ dictRef: CFMutableDictionary!) -> OBEXError
```

## Parameters

- `time4Byte`: 4-byte time value you want to add to the OBEX header dictionary.
- `dictRef`: Dictionary you have allocated to hold the headers. Make sure it’s mutable.

## Return Value

Return Value Error code, kOBEXSuccess (0) if success.

## Discussion

Discussion Time4Byte headers - OBEX Spec, 2.2.5: 4 Bytes

## See Also

### Miscellaneous

- [OBEXAddApplicationParameterHeader(_:_:_:)](iobluetooth/obexaddapplicationparameterheader(_:_:_:).md)
- [OBEXAddAuthorizationChallengeHeader(_:_:_:)](iobluetooth/obexaddauthorizationchallengeheader(_:_:_:).md)
- [OBEXAddAuthorizationResponseHeader(_:_:_:)](iobluetooth/obexaddauthorizationresponseheader(_:_:_:).md)
- [OBEXAddBodyHeader(_:_:_:_:)](iobluetooth/obexaddbodyheader(_:_:_:_:).md)
- [OBEXAddByteSequenceHeader(_:_:_:)](iobluetooth/obexaddbytesequenceheader(_:_:_:).md)
- [OBEXAddConnectionIDHeader(_:_:_:)](iobluetooth/obexaddconnectionidheader(_:_:_:).md)
- [OBEXAddCountHeader(_:_:)](iobluetooth/obexaddcountheader(_:_:).md)
- [OBEXAddDescriptionHeader(_:_:)](iobluetooth/obexadddescriptionheader(_:_:).md)
- [OBEXAddHTTPHeader(_:_:_:)](iobluetooth/obexaddhttpheader(_:_:_:).md)
- [OBEXAddLengthHeader(_:_:)](iobluetooth/obexaddlengthheader(_:_:).md)
- [OBEXAddNameHeader(_:_:)](iobluetooth/obexaddnameheader(_:_:).md)
- [OBEXAddObjectClassHeader(_:_:_:)](iobluetooth/obexaddobjectclassheader(_:_:_:).md)
- [OBEXAddTargetHeader(_:_:_:)](iobluetooth/obexaddtargetheader(_:_:_:).md)
- [OBEXAddTimeISOHeader(_:_:_:)](iobluetooth/obexaddtimeisoheader(_:_:_:).md)
- [OBEXAddTypeHeader(_:_:)](iobluetooth/obexaddtypeheader(_:_:).md)