How can you define the HTTP method when using AWS Lambda.invoke() in JavaScript?

Referencing the AWS documentation: https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/Lambda.html#invoke-property

var params = {
   FunctionName: 'STRING_VALUE', /* required */
   ClientContext: 'STRING_VALUE',
   InvocationType: Event | RequestResponse | DryRun,
   LogType: None | Tail,
   Payload: Buffer.from('...') || 'STRING_VALUE',
   Qualifier: 'STRING_VALUE'
};
lambda.invoke(params, function(err, data) {
   if (err) console.log(err, err.stack); // an error occurred
   else     console.log(data);           // successful response
});

Is there a way to specify the HTTP method, such as GET, POST, PUT, DELETE, when using lambda.invoke()?

Answer №1

lambda.invoke() is used to trigger the execution of a Lambda function. It's important to note that HTTP methods are designed for invoking Amazon API Gateway routes, not Lambda functions.

When dealing with Lambda functions, they simply require an event as input.

You have two options: you can either utilize the Amazon API Gateway endpoint (which will subsequently invoke the Lambda) or directly trigger the Lambda using the method mentioned previously.

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