OptionalbodyThe raw request body as delivered by AWS (string or undefined).
Raw cookie strings (e.g. ['a=1', 'b=2']).
Lower-cased headers; multi-value headers joined with , .
Whether body is base64-encoded.
The HTTP method (upper-case).
The request path (no query string).
The raw query string (without leading ?), fidelity-preserving.
The best-effort client source IP.
The detected trigger family.
A canonical HTTP request derived from any AWS HTTP Lambda event.