SignatureMetadata.<init> - corda

corda / net.corda.core.crypto / SignatureMetadata / <init>

# <init>

`SignatureMetadata(platformVersion: Int, schemeNumberID: Int)`

SignatureMeta is required to add extra meta-data to a transaction's signature. It currently supports platformVersion only, but it can be extended to support a universal digital signature model enabling partial signatures and attaching extra information, such as a user's timestamp or other application-specific fields.

### Parameters

`platformVersion` - current DLT version.

`schemeNumberID` - number id of the signature scheme used based on signer's key-pair, see SignatureScheme.schemeNumberID.