HttpRequestHeader()

Retrieves the header from an HTTP request for a landing page. You can only use this function to retrieve the standard HTTP headers outlined in RFC 7231.

Availability 
Marketing Cloud Engagement ✅ Yes
Marketing Cloud Next ❌ No

Syntax 

 
1HttpRequestHeader(headerToRetrieve)

The HttpRequestHeader(headerToRetrieve) function has one parameter:

  • headerToRetrieve (string): Required. The header that you want to retrieve.

Function Properties 

To use this function, pass it the name of the header that you want to retrieve.

1%%=HTTPRequestHeader('User-Agent')=%%

The function returns the value of the User-Agent header for the HTTP request.

See Also 

Getting Started
Contact Functions
Content Functions
Data Extension Functions
Date & Time Functions
Encryption Functions
HTTP Functions
Summary
HttpGet()
IsChtmlBrowser()
HttpPost()
HttpPost2()
HttpPostWithRetry()
RedirectTo()
HttpRequestHeader()
UrlEncode()
WrapLongUrl()
Math Functions
Microsoft Dynamics CRM Functions
Salesforce Functions
Site Functions
SMS Functions
SOAP API Functions
Social Functions
String Functions
Utility Functions

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