There are lots of questions about the mapping templates but I couldn’t find resolution to my problem.

I have a api endpoint path PUT /foo/bar/{clientNumber} and the body is

{
    "progress": {
        "client": {
            "name": "client",
            "site": {
                "name": "site"
            }
        }
    }
}

I have tried to many different solutions to this but somehow I don’t seem to get it right. I need my endpoint lambda to get the clientNumber from the path and the progress object from the body.

At the moment I have template like this:

"clientNumber": $input.params('clientNumber'),
"progress" : $util.parseJson($input.body)

And the result is:

Endpoint request body after transformations: 
{
    "clientNumber": "",
    "progress": "{progress={client={name=client, site={name=site}}}}"
}

I’m using CDK to build this, if that’s something to consider.