What are some important characteristics of a SOAP envelope element?

Question

What are some important characteristics of a SOAP envelope element?

Answer

SOAP message has a root Envelope element Envelope is an obligatory part of the SOAP message. If an envelope includes a header element, it should not contain more than one. Envelope version will change if the SOAP version changes. The SOAP envelope is indicated by the prefix ENV and the envelope element. The optional SOAP encoding is also specified using a namespace and the optional encoding style element.