RHTTP_SET_HEADER Function
Updates an HTTP request with a new or changed header name/value pair. This is a void function.
Syntax
RHTTP_SET_HEADER(request, header-field, header-value)
Syntax Elements
| header-field | Any valid HTTP header field name (for example, "Accept", "Host", "Content-Type", etc.) | 
| header-value | Any acceptable value for the specified header. |