Simplest way to insert "Strict-Transport-Security: max-age=63072000" for all HTTP responses

How about something like below? This solution checks to make sure the server is not already sending one before inserting the default.

when HTTP_RESPONSE {
     If server has not sent an HSTS header, BIG-IP will
    if { !([HTTP::header exists "Strict-Transport-Security"]) } {
        HTTP::header insert "Strict-Transport-Security" "max-age=63072000"
    }
}