• https://www.w3schools.com/XML/xml_wsdl.asp

• WSDL stands for Web Services Description Language
• WSDL is used to describe web services
• WSDL is written in XML
• WSDL is a W3C recommendation from 26. June 2007

WSDL Documents

An WSDL document describes a web service. It specifies the location of the service, and the methods of the service, using these major elements:

• a

XML DOM Node Types

The DOM presents a document as a hierarchy of node objects.

The examples below use the XML file books.xml.

Display nodeName and nodeType of all elements

Display nodeName and nodeValue of all elements

Node Types

The following table lists the different W3C node types, and which node types they may have as children:

SOAP

SOAP provides the envelope for sending Web Services messages over the Internet/Internet. It is part of the set of standards specified by the W3C. SOAP is an alternative to Representational State Transfer (REST) and JavaScript Object Notation (JSON).

The SOAP envelope contains two parts:

1. What are web services?

Web Services normally consist of one or more 'endpoints' that a product provides to allow SOAP/REST requests to interact with the internal functions of the product. These endpoints often consume data, but sometimes can take the form of 'triggers' that need no data in the request.

2. What are the communication channels available for a web service?

HTTP GET & POST with POST