How to extract attributes from ListenHTTP flow file?

[BOUKRAA, Kacem]

Hello.

So, i'm using ListenHTTP processor to listen to some POST requests comping
from a push notification service.

I'm receiving something like this:

​now, i want to use something to set the post attribute entry as a fiow
attribute ($_POST["entry"]).
the ListenHTTP has this attribute:
Is that helpful to se file attributes? can i have an example of the syntax
to use in my case. is it only: entry? or i should use another syntax.

Thanks in advance
​