Definition: property of the HTTP Requestrequest message from a client to a server includes, within the first line of that message, the method to be applied to the resource, the identifier of the resource, and the protocol version in use. IETF:RFC-2616 > Note: In MTConnect Standard, a request issued by a client to an agent requesting information defined in the HTTP Request Line. that modifies the information returned by the HTTP Requestrequest message from a client to a server includes, within the first line of that message, the method to be applied to the resource, the identifier of the resource, and the protocol version in use. IETF:RFC-2616 > Note: In MTConnect Standard, a request issued by a client to an agent requesting information defined in the HTTP Request Line. .