Read this on the main serverless docs site¶

Knative - Invoke¶

Invokes the deployed function and display its output on the console.

serverless invoke --function functionName

Options¶

• --function or -f The name of the function in your service that you want to invoke. Required.

Examples¶

serverless invoke --function functionName

This example will invoke your deployed function named functionName and outputs the result of the invocation in your terminal.