Multiply a number by 2 and return result in JSON

After receiving an HTTP request, this function extracts the input from the JSON body, multiplies it by 2, and returns the result in JSON format.

Explore further

For detailed documentation that includes this code sample, see the following:

• Use Workflows with Cloud Run and Cloud Run functions tutorial
• Using Workflows to connect services
• Workflows Tutorial
• Workflows Tutorial (1st gen)

Code sample

Python

Before trying this sample, follow the Python setup instructions in the Workflows quickstart using client libraries. For more information, see the Workflows Python API reference documentation.

To authenticate to Workflows, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

import functions_framework
from flask import jsonify


@functions_framework.http
def multiply(request):
    request_json = request.get_json()
    output = {"multiplied": 2 * request_json['input']}
    return jsonify(output)

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