2.2.5.10 Preference-Applied

When a Prefer (section 2.2.5.9) header value is successfully honored by the server, it MAY include a Preference-Applied response header that states which preference values were honored by the server. The grammar of the Preference-Applied response header is shown below.

The syntax of the Preference-Applied response header is defined as follows:

 Prefer       =  "Preference-Applied" ":" preference