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SQL Server / DocuSign eSignature REST API / 7. Add an Attachment to Envelope

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-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    -- Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    -- Use this online tool to generate code from sample JSON: Generate Code to Create JSON

    -- The following JSON is sent in the request body.

    -- {
    --   "attachments": [
    --     {
    --       "attachmentId": "123",
    --       "data": "{{data}}",
    --       "name": "sample_document",
    --       "anchorIgnoreIfNotPresent": "false",
    --       "anchorUnits": "inches"
    --     }
    --   ]
    -- }

    DECLARE @json int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT

    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'attachments[0].attachmentId', '123'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'attachments[0].data', '{{data}}'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'attachments[0].name', 'sample_document'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'attachments[0].anchorIgnoreIfNotPresent', 'false'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'attachments[0].anchorUnits', 'inches'

    -- Adds the "Authorization: Bearer <access_token>" header.
    EXEC sp_OASetProperty @http, 'AuthToken', '<access_token>'

    DECLARE @sbRequestBody int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbRequestBody OUT

    EXEC sp_OAMethod @json, 'EmitSb', @success OUT, @sbRequestBody

    DECLARE @resp int
    EXEC sp_OAMethod @http, 'PTextSb', @resp OUT, 'PUT', 'https://domain.com/{{apiVersion}}/accounts/{{accountId}}/envelopes/{{envelopeId}}/attachments', @sbRequestBody, 'utf-8', 'application/json', 0, 0
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @sbRequestBody
        RETURN
      END

    EXEC sp_OAGetProperty @resp, 'StatusCode', @iTmp0 OUT
    PRINT @iTmp0
    EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
    PRINT @sTmp0
    EXEC @hr = sp_OADestroy @resp


    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @sbRequestBody


END
GO

Curl Command

curl -X PUT
	-H "Authorization: Bearer <access_token>"
	-d '{
    "attachments": [{
        "attachmentId": "123",
        "data": {{document}},
        "name": "sample_document",
        "anchorIgnoreIfNotPresent": "false",
        "anchorUnits": "inches"
    }]
}'
https://domain.com/{{apiVersion}}/accounts/{{accountId}}/envelopes/{{envelopeId}}/attachments

Postman Collection Item JSON

{
  "name": "7. Add an Attachment to Envelope",
  "request": {
    "auth": {
      "type": "bearer",
      "bearer": [
        {
          "key": "token",
          "value": "{{accessToken}}",
          "type": "string"
        }
      ]
    },
    "method": "PUT",
    "header": [
    ],
    "body": {
      "mode": "raw",
      "raw": "{\n    \"attachments\": [{\n        \"attachmentId\": \"123\",\n        \"data\": {{document}},\n        \"name\": \"sample_document\",\n        \"anchorIgnoreIfNotPresent\": \"false\",\n        \"anchorUnits\": \"inches\"\n    }]\n}",
      "options": {
        "raw": {
          "language": "json"
        }
      }
    },
    "url": {
      "raw": "{{baseUrl}}/{{apiVersion}}/accounts/{{accountId}}/envelopes/{{envelopeId}}/attachments",
      "host": [
        "{{baseUrl}}"
      ],
      "path": [
        "{{apiVersion}}",
        "accounts",
        "{{accountId}}",
        "envelopes",
        "{{envelopeId}}",
        "attachments"
      ]
    },
    "description": "In this example, we will make further changes to our existing envelope by adding an attachmen to it."
  },
  "response": [
  ]
}