What does the "Generate from WSDL" button in Salesforce do?

The "Generate from WSDL" button in Salesforce is specifically designed to assist developers in creating Apex classes based on a provided WSDL (Web Services Description Language) document. WSDL files describe the services offered by a web service, including the operations (methods) available and the data types that are used. By using the "Generate from WSDL" functionality, users can automate the generation of the necessary Apex code that allows Salesforce applications to interact with external web services seamlessly. This not only accelerates the development process but also ensures that the generated classes adhere to the specifications outlined in the WSDL, promoting better integration practices.

The other options, while they may relate to aspects of WSDL or its use, do not accurately describe the primary function of the "Generate from WSDL" button. For example, while a WSDL file may indeed be viewed, the button is not intended for this purpose. Similarly, there are no tutorials offered directly through this button, nor does it provide any functionality related to troubleshooting logs for WSDL-related issues. Its sole focus is on facilitating the creation of Apex classes from WSDL documents.