Chilkat Online Tools

VB.NET / Salesforce Platform APIs / List event channels

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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

Dim queryParams As New Chilkat.JsonObject
queryParams.UpdateString("q","SELECT Id, DeveloperName, MasterLabel, ChannelType FROM PlatformEventChannel")

' Adds the "Authorization: Bearer <access_token>" header.
http.AuthToken = "<access_token>"


Dim resp As Chilkat.HttpResponse = http.QuickRequestParams("GET","https://domain.com/services/data/v{{version}}/tooling/query/",queryParams)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)

Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")

    Exit Sub
End If



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

' {
'   "size": 2,
'   "totalSize": 2,
'   "done": true,
'   "queryLocator": null,
'   "entityTypeName": "PlatformEventChannel",
'   "records": [
'     {
'       "attributes": {
'         "type": "PlatformEventChannel",
'         "url": "/services/data/v58.0/tooling/sobjects/PlatformEventChannel/0YL4H0000004C93WAE"
'       },
'       "Id": "0YL4H0000004C93WAE",
'       "DeveloperName": "HREvents",
'       "MasterLabel": "Custom Channel for the HR App",
'       "ChannelType": "data"
'     },
'     {
'       "attributes": {
'         "type": "PlatformEventChannel",
'         "url": "/services/data/v58.0/tooling/sobjects/PlatformEventChannel/0YL4H0000004C98WAE"
'       },
'       "Id": "0YL4H0000004C98WAE",
'       "DeveloperName": "AdvocateEvents",
'       "MasterLabel": "Custom Channel for the HR App",
'       "ChannelType": "data"
'     }
'   ]
' }

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



Dim v_Type As String
Dim v_Url As String
Dim Id As String
Dim DeveloperName As String
Dim MasterLabel As String
Dim ChannelType As String

Dim size As Integer = jResp.IntOf("size")
Dim totalSize As Integer = jResp.IntOf("totalSize")
Dim done As Boolean = jResp.BoolOf("done")
Dim queryLocator As String = jResp.StringOf("queryLocator")
Dim entityTypeName As String = jResp.StringOf("entityTypeName")
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("records")
While i < count_i
    jResp.I = i
    v_Type = jResp.StringOf("records[i].attributes.type")
    v_Url = jResp.StringOf("records[i].attributes.url")
    Id = jResp.StringOf("records[i].Id")
    DeveloperName = jResp.StringOf("records[i].DeveloperName")
    MasterLabel = jResp.StringOf("records[i].MasterLabel")
    ChannelType = jResp.StringOf("records[i].ChannelType")
    i = i + 1
End While

Curl Command

curl -G -d "q=SELECT%20Id,%20DeveloperName,%20MasterLabel,%20ChannelType%20FROM%20PlatformEventChannel"
	-H "Authorization: Bearer <access_token>"
https://domain.com/services/data/v{{version}}/tooling/query/

Postman Collection Item JSON

{
  "name": "List event channels",
  "request": {
    "method": "GET",
    "header": [
    ],
    "url": {
      "raw": "{{_endpoint}}/services/data/v{{version}}/tooling/query/?q=SELECT Id, DeveloperName, MasterLabel, ChannelType FROM PlatformEventChannel",
      "host": [
        "{{_endpoint}}"
      ],
      "path": [
        "services",
        "data",
        "v{{version}}",
        "tooling",
        "query",
        ""
      ],
      "query": [
        {
          "key": "q",
          "value": "SELECT Id, DeveloperName, MasterLabel, ChannelType FROM PlatformEventChannel"
        }
      ]
    }
  },
  "response": [
    {
      "name": "List event channels",
      "originalRequest": {
        "method": "GET",
        "header": [
        ],
        "url": {
          "raw": "{{_endpoint}}/services/data/v{{version}}/tooling/query/?q=SELECT Id, DeveloperName, MasterLabel, ChannelType FROM PlatformEventChannel",
          "host": [
            "{{_endpoint}}"
          ],
          "path": [
            "services",
            "data",
            "v{{version}}",
            "tooling",
            "query",
            ""
          ],
          "query": [
            {
              "key": "q",
              "value": "SELECT Id, DeveloperName, MasterLabel, ChannelType FROM PlatformEventChannel"
            }
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Date",
          "value": "Mon, 03 Jul 2023 13:15:17 GMT"
        },
        {
          "key": "Strict-Transport-Security",
          "value": "max-age=63072000; includeSubDomains"
        },
        {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        },
        {
          "key": "X-Robots-Tag",
          "value": "none"
        },
        {
          "key": "Cache-Control",
          "value": "no-cache,must-revalidate,max-age=0,no-store,private"
        },
        {
          "key": "Sforce-Limit-Info",
          "value": "api-usage=7/15000"
        },
        {
          "key": "Content-Type",
          "value": "application/json;charset=UTF-8"
        },
        {
          "key": "Vary",
          "value": "Accept-Encoding"
        },
        {
          "key": "Content-Encoding",
          "value": "gzip"
        },
        {
          "key": "Transfer-Encoding",
          "value": "chunked"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"size\": 2,\n    \"totalSize\": 2,\n    \"done\": true,\n    \"queryLocator\": null,\n    \"entityTypeName\": \"PlatformEventChannel\",\n    \"records\": [\n        {\n            \"attributes\": {\n                \"type\": \"PlatformEventChannel\",\n                \"url\": \"/services/data/v58.0/tooling/sobjects/PlatformEventChannel/0YL4H0000004C93WAE\"\n            },\n            \"Id\": \"0YL4H0000004C93WAE\",\n            \"DeveloperName\": \"HREvents\",\n            \"MasterLabel\": \"Custom Channel for the HR App\",\n            \"ChannelType\": \"data\"\n        },\n        {\n            \"attributes\": {\n                \"type\": \"PlatformEventChannel\",\n                \"url\": \"/services/data/v58.0/tooling/sobjects/PlatformEventChannel/0YL4H0000004C98WAE\"\n            },\n            \"Id\": \"0YL4H0000004C98WAE\",\n            \"DeveloperName\": \"AdvocateEvents\",\n            \"MasterLabel\": \"Custom Channel for the HR App\",\n            \"ChannelType\": \"data\"\n        }\n    ]\n}"
    }
  ]
}