contactInfo? | string | Signer contact information recorded in the signature dictionary. |
fieldName? | string | Signature form field name. |
location? | string | Signing location recorded in the signature dictionary. |
name? | string | Name of the item, field, destination, or signer. |
placeholderBytes? | number | Reserved byte length for the serialized signature contents. |
reason? | string | Reason string recorded in the signature dictionary. |
sign | (bytes) => Uint8Array | Callback that returns CMS/PKCS#7 signature bytes for the prepared PDF byte range. |