Returns company fundamental data.

Retrieves FactSet Fundamental standardized data for specified securities. Use the `/metrics` endpoint to retrieve a full list of valid metrics or data items. The `/fundamentals` endpoint currently supports Long Running asynchronous requests up to **20 minutes** via batch parameter. Id limits are increased to 2000 ids per request when using batch capability. This 2000 id limit has been derived based on single metric for one day.