public String getRelatedSignatureId() throws HelloSignException {
        JSONObject metadata = (JSONObject) get(EVENT_METADATA);
        if (metadata == null) {
            return null;
        }
        String id = null;
        try {
            id = metadata.getString(RELATED_SIGNATURE_ID);
        } catch (JSONException ex) {
            // No related signature request with this event
        }
        return id;
    }
public String getRelatedSignatureId ( ) throws HelloSignException { JSONObject metadata = ( JSONObject ) get ( EVENT_METADATA ) ; if ( metadata == null ) { return null ; } String id = null ; try { id = metadata . getString ( RELATED_SIGNATURE_ID ) ; } catch ( JSONException ex ) { } return id ; }
Returns the signature ID to which this event is associated.

@return String
@throws HelloSignException thrown if there is a problem parsing the
backing JSONObject.