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SOAP - Coggle Diagram

- - - - Each message element describes the input or output of a service method and the possible exceptions:
    - - The portType element describes each operation that can be performed and all the message elements involved - the request input, output and possible fault exception thrown by the web service operation
    - - provides protocol and data format details for each portType
    - - service element defines the ports supported by the web service.
- - - - contains application-specific information (like authentication, payment, etc) about the SOAP message
      - If the Header element is present, it must be the first child element of the Envelope element
      - All immediate child elements of the Header element must be namespace-qualified.
        **<soap:Header> <m:Trans xmlns:m="https://www.w3schools.com/transaction/" soap:mustUnderstand="1">234 </m:Trans> </soap:Header>**
      - SOAP defines three attributes in the default namespace. These attributes are: mustUnderstand, actor, and encodingStyle.
        
        actor
        
        A SOAP message may travel from a sender to a receiver by passing different endpoints along the message path. However, not all parts of a SOAP message may be intended for the ultimate endpoint, instead, it may be intended for one or more of the endpoints on the message path.
        The SOAP actor attribute is used to address the Header element to a specific endpoint.
        
        <soap:Header> <m:Trans xmlns:m="https://www.w3schools.com/transaction/" soap:actor="https://www.w3schools.com/code/">234 </m:Trans> </soap:Header>
    - - <faultcode> A code for identifying the fault <faultstring> A human readable explanation of the fault <faultactor> Information about who caused the fault to happen <detail> Holds application specific error information related to the Body element