Parameter 1 default: "BEU" ID (superseded, but maintained for backwards compatibility; used to be the number at the end of the URL "https://edl.beniculturali.it/beu/#########")
For ARK: Use "A" in the first parameter, and put the ARK in the second parameter (the ARK is the number at the end of "https://n2t.net/ark:/65666/v1/######").
For item ID: Use "I" in the first parameter, and put the item ID in the second parameter (the item ID is the alphanumeric string at the end of "https://edl.cultura.gov.it/item/##########").