Task: Invoke an AWS Lambda function

n8n workflow JSON:
{"nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[250,300],"parameters":{},"typeVersion":1},{"name":"AWS Lambda","type":"n8n-nodes-base.awsLambda","position":[450,300],"parameters":{"function":"arn:aws:lambda:ap-south-1:100558637562:function:hello-world-sample"},"credentials":{"aws":"amudhan-aws"},"typeVersion":1}],"connections":{"On clicking 'execute'":{"main":[[{"node":"AWS Lambda","type":"main","index":0}]]}}}