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SQL Server / Creatio API / Modify a field value of object collection instance

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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
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.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.

    -- {
    --   "{{FieldName8}}": "{{FieldName6Value6}}"
    -- }

    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @json OUT

    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, '{{FieldName8}}', '{{FieldName6Value6}}'

    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'Content-Type', 'application/json; odata=verbose; IEEE754Compatible=true'
    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'BPMCSRF', '{{BPMCSRF}}'
    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'Accept', 'application/json; odata=verbose'

    DECLARE @sbRequestBody int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbRequestBody OUT

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

    DECLARE @resp int
    EXEC sp_OAMethod @http, 'PTextSb', @resp OUT, 'PATCH', 'https://myserver.com/0/odata/Collection3({{ObjectId8}})', @sbRequestBody, 'utf-8', 'application/json; odata=verbose; IEEE754Compatible=true', 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

    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @resp, 'StatusCode', @respStatusCode OUT

    PRINT 'Response Status Code = ' + @respStatusCode
    IF @respStatusCode <> 204
      BEGIN

        PRINT 'Response Header:'
        EXEC sp_OAGetProperty @resp, 'Header', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Response Body:'
        EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @resp

        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @sbRequestBody
        RETURN
      END
    EXEC @hr = sp_OADestroy @resp


    PRINT 'Success.'

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


END
GO

Curl Command

curl -X PATCH
	-H "Accept: application/json; odata=verbose"
	-H "Content-Type: application/json; odata=verbose; IEEE754Compatible=true"
	-H "BPMCSRF: {{BPMCSRF}}"
	-d '{
    "{{FieldName8}}": "{{FieldName6Value6}}"
}'
https://myserver.com/0/odata/Collection3({{ObjectId8}})

Postman Collection Item JSON

{
  "name": "Modify a field value of object collection instance",
  "event": [
    {
      "listen": "test",
      "script": {
        "exec": [
          ""
        ],
        "type": "text/javascript"
      }
    },
    {
      "listen": "prerequest",
      "script": {
        "exec": [
          ""
        ],
        "type": "text/javascript"
      }
    }
  ],
  "request": {
    "method": "PATCH",
    "header": [
      {
        "key": "Accept",
        "value": "application/json; odata=verbose",
        "type": "text"
      },
      {
        "key": "Content-Type",
        "name": "Content-Type",
        "value": "application/json; odata=verbose; IEEE754Compatible=true",
        "type": "text"
      },
      {
        "key": "BPMCSRF",
        "value": "{{BPMCSRF}}",
        "type": "text"
      }
    ],
    "body": {
      "mode": "raw",
      "raw": "{\r\n    \"{{FieldName8}}\": \"{{FieldName6Value6}}\"\r\n}",
      "options": {
        "raw": {
          "language": "json"
        }
      }
    },
    "url": {
      "raw": "{{BaseURI}}/0/odata/{{CollectionName3}}({{ObjectId8}})",
      "host": [
        "{{BaseURI}}"
      ],
      "path": [
        "0",
        "odata",
        "{{CollectionName3}}({{ObjectId8}})"
      ]
    },
    "description": "Request for modifying a field value of an object collection instance."
  },
  "response": [
    {
      "name": "[204] Modifies a field of object collection instance",
      "originalRequest": {
        "method": "PATCH",
        "header": [
          {
            "key": "Accept",
            "value": "application/json; odata=verbose",
            "type": "text"
          },
          {
            "key": "Content-Type",
            "name": "Content-Type",
            "value": "application/json; odata=verbose; IEEE754Compatible=true",
            "type": "text"
          },
          {
            "key": "BPMCSRF",
            "value": "{{BPMCSRF}}",
            "type": "text"
          }
        ],
        "body": {
          "mode": "file",
          "file": {
            "src": "/C:/Users/M.Kysla/Downloads/scr_NewContactPhoto.png"
          },
          "options": {
            "raw": {
              "language": "json"
            }
          }
        },
        "url": {
          "raw": "https://myserver.com/0/odata/Contact(4c63c8fa-467b-48a6-973f-b2069298404f)",
          "protocol": "https",
          "host": [
            "myserver",
            "com"
          ],
          "path": [
            "0",
            "odata",
            "Contact(4c63c8fa-467b-48a6-973f-b2069298404f)"
          ]
        }
      },
      "status": "No Content",
      "code": 204,
      "_postman_previewlanguage": "Text",
      "header": [
      ],
      "cookie": [
      ],
      "body": ""
    }
  ]
}