elbv2 api for rules - need example for http-header condition type

Hi,

I am looking for a documented example for creating listener rule with the condition type of "http-header". The API for the conditions element only allows attributes for "Field" and "Values". However, the "http-header" condition type also requires providing the "HttpHeaderName". For eg: "cookie". Trying to specify that in various ways but getting errors.

Is there an example of specifying this via the CLI?

Appreciate the help.

Thanks