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Learn Everything You Need to Know About Apex Web Services

Introduction

Apex Web Services are a powerful tool that can be used to extend the functionality of Salesforce applications. They allow developers to create custom web services that can be consumed by external applications, such as mobile apps, web portals, and other Salesforce organizations. In this 2-part series, we will explore the basics of Apex Web Services, including how to create, consume, and secure them.

Part 1: Creating Apex Web Services

Step 1: Create a new Apex class

The first step to creating an Apex Web Service is to create a new Apex class. This class must extend the Apex.WebService interface, and it must contain at least one method that is annotated with the @soapMethod annotation. The @soapMethod annotation specifies the name and parameters of the web service method.

``` public class HelloWorldService implements Apex.WebService { @soapMethod(name='sayHello') public static String sayHello(String name) { return 'Hello, ' + name + '!'; } } ```

Step 2: Deploy the Apex class

Once you have created the Apex class, you need to deploy it to your Salesforce organization. You can do this by clicking the Deploy button in the Developer Console, or by using the Salesforce CLI. Once the class is deployed, it will be available for use by external applications.

Step 3: Test the Apex Web Service

Once the Apex Web Service is deployed, you can test it by using a SOAP client. There are many different SOAP clients available, such as SoapUI and Postman. Once you have a SOAP client, you can use it to send requests to the Apex Web Service and receive responses.

In the next part of this series, we will explore how to consume Apex Web Services from external applications.