Pascal (Lazarus/Delphi)

DocuSign Create Empty Envelope Draft

See more DocuSign Examples

Creates an empty envelope draft. The JSON response includes the envelope ID which can be used to add documents, recipients, etc. until the envelope is ready to send. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.HttpResponse,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  jsonToken: TJsonObject;
  json: TJsonObject;
  resp: THttpResponse;
  jResp: TJsonObject;
  respStatusCode: Integer;
  envelopeId: string;
  uri: string;
  statusDateTime: string;
  status: string;

begin
  success := False;

  //  This example assumes the Chilkat API to have been previously unlocked.
  //  See Global Unlock Sample for sample code.

  http := THttp.Create;

  //  Load a previously obtained OAuth2 access token.
  jsonToken := TJsonObject.Create;
  success := jsonToken.LoadFile('qa_data/tokens/docusign.json');
  if (success = False) then
    begin
      WriteLn(jsonToken.LastErrorText);
      Exit;
    end;

  //  Adds the "Authorization: Bearer eyJ0eXAi.....UE8Kl_V8KroQ" header.
  http.AuthToken := jsonToken.StringOf('access_token');

  //  Send the following request.
  //  Make sure to use your own account ID (obtained from Get Docusign User Account Information)

  //  POST https://demo.docusign.net/restapi/v2.1/accounts/7f3f65ed-5e87-418d-94c1-92499ddc8252/envelopes HTTP/1.1
  //  Accept: application/json
  //  Cache-Control: no-cache
  //  Authorization: Bearer eyJ0eX...
  //  Content-Length: ...
  //  Content-Type: application/json
  //  
  //  {
  //    "emailSubject": "Sign for Project XYZ Approval"
  //  }

  json := TJsonObject.Create;
  json.UpdateString('emailSubject','Sign for Project XYZ Approval');

  http.SetRequestHeader('Cache-Control','no-cache');
  http.SetRequestHeader('Accept','application/json');

  //  Use your own account ID here.
  http.SetUrlVar('accountId','7f3f65ed-5e87-418d-94c1-92499ddc8252');

  resp := THttpResponse.Create;
  success := http.HttpJson('POST','https://demo.docusign.net/restapi/v2.1/accounts/{$accountId}/envelopes',json,'application/json',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  jResp := TJsonObject.Create;
  jResp.Load(resp.BodyStr);
  jResp.EmitCompact := False;

  WriteLn('Response Body:');
  WriteLn(jResp.Emit());

  //  If you get a 401 response status code, it's likely you need to refresh the DocuSign OAuth2 token).
  respStatusCode := resp.StatusCode;
  WriteLn('Response Status Code = ' + respStatusCode);
  if (respStatusCode >= 400) then
    begin
      WriteLn('Response Header:');
      WriteLn(resp.Header);
      WriteLn('Failed.');
      Exit;
    end;

  //  Sample JSON response:
  //  (Sample code for parsing the JSON response is shown below)

  //  {
  //    "envelopeId": "4943126a-a6e0-40ca-8707-50f22bf3888c",
  //    "uri": "/envelopes/4943126a-a6e0-40ca-8707-50f22bf3888c",
  //    "statusDateTime": "2021-01-23T20:21:42.1400000Z",
  //    "status": "created"
  //  }

  //  Sample code for parsing the JSON response...
  //  Use the following online tool to generate parsing code from sample JSON:
  //  Generate Parsing Code from JSON

  envelopeId := jResp.StringOf('envelopeId');
  uri := jResp.StringOf('uri');
  statusDateTime := jResp.StringOf('statusDateTime');
  status := jResp.StringOf('status');


  http.Free;
  jsonToken.Free;
  json.Free;
  resp.Free;
  jResp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.