Discover ways to leverage Xano's scripting feature for adding tailored logic to projects. Follow this guide for detailed, step-by-step instructions to boost your backend effectively.
Discover what you can do with Xano's scripting feature to boost your custom logic and get exactly what you want. Xano lets developers write scripts right in their backend. This means you can tweak data, create complex workflows, and set up unique business rules with ease. With scripting, enhancing pre-built API endpoints, connecting third-party services, and making performance better through custom algorithms becomes a breeze. Learn how Xano's simple interface and strong scripting support can help you build solutions that fit your project needs perfectly.
Head over to your Xano workspace. From the dashboard, find the API endpoint where you want to add some custom logic. Click on that endpoint to open its settings. Look for the "Scripting" or "Script" section within that endpoint.
In the "Scripting" section, there should be an option to open or enable the script editor. Click on it to get into the script editor interface. This is where you'll be writing your custom logic.
Start by defining the input parameters that your script will use. These parameters can be data from the request payload or query parameters. You can do this using the inputs object in the script editor. Example:
let userId = inputs.userId;
let productId = inputs.productId;
Now, write the custom logic needed for your application. This can involve computations, conditional statements, loops, or any other JavaScript operations. Example:
if (userId && productId) {
// Custom logic here
let discount = 0;
if (productId === 1001) {
discount = 10;
} else if (productId === 1002) {
discount = 20;
}
let response = {
userId: userId,
productId: productId,
discount: discount
};
return response;
} else {
throw new Error('Missing userId or productId.');
}
Make use of Xano's built-in functions for database operations like fetching data or modifying records. For instance, to fetch user data from a table:
let userRecord = await xano.db.get('users', userId);
if (!userRecord) {
throw new Error('User not found.');
}
Insert this logic into your custom script where it fits best.
Once your script is written, use the "Test" feature in Xano to run the script with sample inputs. This helps in debugging and making sure the custom logic works as expected. Adjust the script based on the test results.
After confirming that the script works correctly, save the changes in the script editor. Deploy the updated endpoint to make the new custom logic active in your API.
The endpoint should now execute the custom script whenever called, applying the custom rules defined within the script.
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