(Delphi ActiveX) DocuSign Add Documents to a Draft Envelope

See more DocuSign Examples

Demonstrates how to add one or more additional documents to a DocuSign draft envelope.

For more information, see https://developers.docusign.com/docs/esign-rest-api/reference/envelopes/envelopedocuments/updatelist/

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
jsonToken: TChilkatJsonObject;
success: Integer;
bd1: TChilkatBinData;
bd2: TChilkatBinData;
json: TChilkatJsonObject;
i: Integer;
sbJson: TChilkatStringBuilder;
url: WideString;
resp: IChilkatHttpResponse;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
documentId: WideString;
documentIdGuid: WideString;
name: WideString;
v_type: WideString;
uri: WideString;
order: WideString;
containsPdfFormFields: WideString;
templateRequired: WideString;
authoritativeCopy: WideString;
envelopeId: WideString;
count_i: Integer;

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

http := TChilkatHttp.Create(Self);

// Load a previously obtained OAuth2 access token.
jsonToken := TChilkatJsonObject.Create(Self);
success := jsonToken.LoadFile('qa_data/tokens/docusign.json');
if (success = 0) then
  begin
    Memo1.Lines.Add(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)

// PUT https://demo.docusign.net/restapi/v2.1/accounts/<account ID>/envelopes/<envelope ID>/documents HTTP/1.1
// Expect: 100-continue
// Accept: application/json
// Cache-Control: no-cache
// Authorization: Bearer eyJ0eX...
// Content-Length: ...
// Content-Type: application/json
// 
// {
// 	"documents": [
// 		{
// 		"documentId": "1",
// 		"name": "hello.pdf",
// 		"pages": "1",
// 		"documentBase64": "<insert base64 content here>"
// 		},
// 		{
// 		"documentId": "2",
// 		"name": "hello2.pdf",
// 		"pages": "1",
// 		"documentBase64": "<insert base64 content here>"
// 		}
// 	]
// }

bd1 := TChilkatBinData.Create(Self);
success := bd1.LoadFile('qa_data/pdf/hello.pdf');
bd2 := TChilkatBinData.Create(Self);
success := bd2.LoadFile('qa_data/pdf/hello2.pdf');

json := TChilkatJsonObject.Create(Self);
i := 0;
json.I := i;
json.UpdateString('documents[i].documentId','1');
json.UpdateString('documents[i].name','hello.pdf');
json.UpdateString('documents[i].pages','1');
json.UpdateString('documents[i].documentBase64',bd1.GetEncoded('base64'));
i := i + 1;
json.I := i;
json.UpdateString('documents[i].documentId','2');
json.UpdateString('documents[i].name','hello2.pdf');
json.UpdateString('documents[i].pages','1');
json.UpdateString('documents[i].documentBase64',bd2.GetEncoded('base64'));

sbJson := TChilkatStringBuilder.Create(Self);
json.EmitCompact := 0;
json.EmitSb(sbJson.ControlInterface);

http.SetRequestHeader('Expect','100-continue');
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');
// Use the envelope ID returned by DocuSign when creating the draft envelope).
http.SetUrlVar('envelopeId','e01f2043-3850-4fcb-afd1-b1726216e099');

url := 'https://demo.docusign.net/restapi/v2.1/accounts/{$accountId}/envelopes/{$envelopeId}/documents';
resp := http.PTextSb('PUT',url,sbJson.ControlInterface,'utf-8','application/json',0,0);
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

jResp := TChilkatJsonObject.Create(Self);
jResp.Load(resp.BodyStr);
jResp.EmitCompact := 0;

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(jResp.Emit());

// If you get a 401 response status code, it's likely you need to refresh the DocuSign OAuth2 token).
respStatusCode := resp.StatusCode;
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(resp.Header);
    Memo1.Lines.Add('Failed.');

    Exit;
  end;

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

// {
//   "envelopeId": "da9fb811-e6a4-48c0-a9fb-81ed18b989af",
//   "envelopeDocuments": [
//     {
//       "documentId": "1",
//       "documentIdGuid": "38e919fc-0a77-4b0c-9da0-e3530f4e6fc7",
//       "name": "hello.pdf",
//       "type": "content",
//       "uri": "/envelopes/da9fb811-e6a4-48c0-a9fb-81ed18b989af/documents/1",
//       "order": "3",
//       "containsPdfFormFields": "false",
//       "templateRequired": "false",
//       "authoritativeCopy": "false"
//     },
//     {
//       "documentId": "2",
//       "documentIdGuid": "2cbd0fcc-c1ca-4a3a-b8b5-fe252dd89731",
//       "name": "hello2.pdf",
//       "type": "content",
//       "uri": "/envelopes/da9fb811-e6a4-48c0-a9fb-81ed18b989af/documents/2",
//       "order": "4",
//       "containsPdfFormFields": "false",
//       "templateRequired": "false",
//       "authoritativeCopy": "false"
//     }
//   ]
// }

// 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');
i := 0;
count_i := jResp.SizeOfArray('envelopeDocuments');
while i < count_i do
  begin
    jResp.I := i;
    documentId := jResp.StringOf('envelopeDocuments[i].documentId');
    documentIdGuid := jResp.StringOf('envelopeDocuments[i].documentIdGuid');
    name := jResp.StringOf('envelopeDocuments[i].name');
    v_type := jResp.StringOf('envelopeDocuments[i].type');
    uri := jResp.StringOf('envelopeDocuments[i].uri');
    order := jResp.StringOf('envelopeDocuments[i].order');
    containsPdfFormFields := jResp.StringOf('envelopeDocuments[i].containsPdfFormFields');
    templateRequired := jResp.StringOf('envelopeDocuments[i].templateRequired');
    authoritativeCopy := jResp.StringOf('envelopeDocuments[i].authoritativeCopy');
    i := i + 1;
  end;
end;