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Difference between HTTP Header variable & GET variable in REST sender channel

Hi Experts,

While creating REST sender channel, under REST Resources we have something like XI Dynamic Attribute. After choosing "Custom Attribute" for "Value Source" I see HTTP Header Variable & GET Variable , what are differences between them?

Snippet 1 for HTTP Header Variable:

Snippet 2 for GET Variable:



1.jpg (23.9 kB)
2.jpg (24.6 kB)
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1 Answer

  • Feb 26, 2018 at 03:06 PM

    Hi Ramu,

    In the request received by PI server the request comes in form of HTTP request. Such request has a header part and body part.

    In case you are trying to access a value coming in header you need to access the same using header variable.

    In a REST (GET) request there will be parameters in query string as shown below


    here start1,start2 are values you can obtain by specifying value source as "GET variable" in sender channel .



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