Build Classes in GraphQL Using Back4app

In the ever-evolving landscape of development, GraphQL has become a notable tool for managing your API endpoints.

For developers, understanding the intricacies of creating classes using GraphQL can greatly enhance your efficiency.

In this post, based on insights by Alex from Back4app, we’ll explore the process of setting up classes using GraphQL.

Overview about Back4app

Back4app is a popular backend-as-a-service platform. It allows developers to create, manage, host, and scale applications in an efficient manner.

One of the platform’s strengths is its support for GraphQL, enabling developers to interact and manipulate data in a streamlined fashion.

When working with Back4app, GraphQL becomes more intuitive, especially for tasks like creating classes.

How to create classes using GraphQL?

To break down the process, let’s go through the steps one by one:

  1. Start Fresh: When creating a new app in Back4app, you’ll find no custom classes initially. This is a blank canvas, allowing for customization as per project needs.
  2. Navigate to API Console: On the Back4app platform, head over to the API console and select GraphQL. This is where you’ll be writing your queries and mutations.
  3. Initiate a Mutation:
    • Begin by creating a mutation, which is an essential step for making any changes.
    • Utilize the createClass operation.
    • You’ll need to input the class name, which will appear in your database browser. For example, use “myClass”.
  4. Add Properties (Schema Fields):
    • Properties represent the data structure for the class.
    • You can add various data types as per the requirements:
      • String: Specify it as addStrings and name it. For instance, stringProperty.
      • Number: Defined by addNumbers, and can be named as numberProperty.
      • Boolean: Indicated by addBooleans, and can be tagged as booleanProperty.
  5. Execute the Mutation: Once the mutation is set up, run it. If done correctly, you will find the new class created in the database browser with all the specified properties.
  6. Retrieve Information: After running the mutation, you can also retrieve class-specific information, such as the name, object ID, properties, and more.
  7. Replicate for Other Classes: Alex suggests trying different combinations of properties and classes to grasp the process thoroughly.
  8. Integration with Projects: Once satisfied with your class in the Back4app GraphQL playground, you can easily copy the generated code and integrate it into your main project.


Understanding how to create classes with GraphQL, especially on platforms like Back4app, is crucial for developers looking to streamline their backend processes.

The ease of use and flexibility provided by GraphQL combined with the robustness of Back4app make it a winning combination for modern applications.

Remember to practice, explore various combinations, and in no time, you’ll master the art of creating classes using GraphQL.


How to create classes using GraphQL and Back4app?

– Start with a fresh app on Back4app.
– Navigate to the API console & select GraphQL.
– Initiate a mutation for class changes.
– Use createClass for class creation.
– Define class name, e.g., “myClass”.
– Add properties: string, number, boolean.
– Execute mutation to apply changes.
– Check database for the new class.
– Retrieve class details post-mutation.
– Integrate code into your main project.

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