test.js

function LoadViewer() {

  var bDocument;

  var signatureSettings = {
      signerName: "Tim Typer",
      signerInitials: "TT",
      uniqueId: "12345-ABCDE",
      redirectUrlAfterSignature: "CreatingSignatures?signed=true",
      ownerName: "Document Requestor",
      signatureBoxName: "txsign",
      showSignatureBar: true
  }

  // save document
  TXTextControl.saveDocument(TXTextControl.StreamType.InternalUnicodeFormat, function (e) {
      bDocument = e.data;

      TXDocumentViewer.loadDocument(
          bDocument,
          "pleasesignme.tx",
          signatureSettings);
  });
}