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VB.NET / Zoho CRM REST APIs / Inserting a subform lookup record through an external field in the associated module

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

Dim http As New Chilkat.Http
Dim success As Boolean

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

' The following JSON is sent in the request body.

' {
'   "data": [
'     {
'       "Last_Name": "Contact with a Subform",
'       "Subform_External": [
'         {
'           "Deal_Lookup": {
'             "External_Deal_ID": "userdeal1"
'           }
'         }
'       ]
'     }
'   ]
' }

Dim json As New Chilkat.JsonObject
json.UpdateString("data[0].Last_Name","Contact with a Subform")
json.UpdateString("data[0].Subform_External[0].Deal_Lookup.External_Deal_ID","userdeal1")

' Adds the "Authorization: Bearer <access_token>" header.
http.AuthToken = "<access_token>"
http.SetRequestHeader("X-EXTERNAL","Contacts.External_ID")

Dim resp As Chilkat.HttpResponse = http.PostJson3("https://domain.com/crm/v2/Contacts","application/json",json)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Debug.WriteLine(resp.StatusCode)
Debug.WriteLine(resp.BodyStr)

Curl Command

curl -X POST
	-H "Authorization: Bearer <access_token>"
	-H "X-EXTERNAL: Contacts.External_ID"
	-d '{
    "data": [
        {
            "Last_Name": "Contact with a Subform",
            "Subform_External": [
                {
                    "Deal_Lookup": {
                        "External_Deal_ID": "userdeal1"
                    }
                }
            ]
        }
    ]
}'
https://domain.com/crm/v2/Contacts

Postman Collection Item JSON

{
  "name": "Inserting a subform lookup record through an external field in the associated module",
  "request": {
    "auth": {
      "type": "bearer",
      "bearer": [
        {
          "key": "token",
          "value": "{{access-token}}",
          "type": "string"
        }
      ]
    },
    "method": "POST",
    "header": [
      {
        "key": "X-EXTERNAL",
        "value": "Contacts.External_ID",
        "type": "text"
      }
    ],
    "body": {
      "mode": "raw",
      "raw": "{\n    \"data\": [\n        {\n            \"Last_Name\": \"Contact with a Subform\",\n            \"Subform_External\": [\n                {\n                    \"Deal_Lookup\": {\n                        \"External_Deal_ID\": \"userdeal1\"\n                    }\n                }\n            ]\n        }\n    ]\n}",
      "options": {
        "raw": {
          "language": "json"
        }
      }
    },
    "url": {
      "raw": "{{api-domain}}/crm/v2/Contacts",
      "host": [
        "{{api-domain}}"
      ],
      "path": [
        "crm",
        "v2",
        "Contacts"
      ]
    },
    "description": "In this example, Subform_External is the API name of the subform in the Contacts module. It has a look up field to the Deals module. The Deals module has an external field External_Deal_ID. We will reference this external field in the subform and insert a record in the Contacts module."
  },
  "response": [
  ]
}