Chilkat Online Tools

PowerBuilder / Salesforce Platform APIs / Platform Event Schema by Event Name

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integer li_rc
oleobject loo_Http
integer li_Success
oleobject loo_SbResponseBody
oleobject loo_JResp
integer li_RespStatusCode
string ls_V_Type
string ls_Name
string ls_Namespace
integer j
integer li_Count_j
string ls_TypeType
string ls_TypeName
string ls_Doc
integer k
integer li_Count_k
string ls_Doc
string ls_Default
oleobject loo_Json1
integer li_I1
integer li_Count_i1
string ls_StrVal
string ls_Name
string ls_Namespace
string ls_V_type
integer i
integer li_Count_i

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

loo_Http = create oleobject
// Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")
if li_rc < 0 then
    destroy loo_Http
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Adds the "Authorization: Bearer <access_token>" header.
loo_Http.AuthToken = "<access_token>"
loo_Http.SetRequestHeader("Content-Type","application/json")

loo_SbResponseBody = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_SbResponseBody.ConnectToNewObject("Chilkat.StringBuilder")

li_Success = loo_Http.QuickGetSb("https://domain.com/services/data/v{{version}}/sobjects/:EVENT_NAME/eventSchema",loo_SbResponseBody)
if li_Success = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_SbResponseBody
    return
end if

loo_JResp = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JResp.ConnectToNewObject("Chilkat.JsonObject")

loo_JResp.LoadSb(loo_SbResponseBody)
loo_JResp.EmitCompact = 0

Write-Debug "Response Body:"
Write-Debug loo_JResp.Emit()

li_RespStatusCode = loo_Http.LastStatus
Write-Debug "Response Status Code = " + string(li_RespStatusCode)
if li_RespStatusCode >= 400 then
    Write-Debug "Response Header:"
    Write-Debug loo_Http.LastHeader
    Write-Debug "Failed."
    destroy loo_Http
    destroy loo_SbResponseBody
    destroy loo_JResp
    return
end if

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

// {
//   "name": "Sample__e",
//   "namespace": "com.sforce.eventbus",
//   "type": "expanded-record",
//   "fields": [
//     {
//       "name": "data",
//       "type": {
//         "type": "record",
//         "name": "Data",
//         "namespace": "",
//         "fields": [
//           {
//             "name": "schema",
//             "type": "string"
//           },
//           {
//             "name": "payload",
//             "type": {
//               "type": "record",
//               "name": "Payload",
//               "doc": "",
//               "fields": [
//                 {
//                   "name": "CreatedDate",
//                   "type": "string",
//                   "doc": "CreatedDate:DateTime"
//                 },
//                 {
//                   "name": "CreatedById",
//                   "type": "string",
//                   "doc": "CreatedBy:EntityId"
//                 },
//                 {
//                   "name": "Message__c",
//                   "type": [
//                     "null",
//                     "string"
//                   ],
//                   "doc": "Data:Text:00N4H00000Ecs0G",
//                   "default": null
//                 }
//               ]
//             }
//           },
//           {
//             "name": "event",
//             "type": {
//               "type": "record",
//               "name": "Event",
//               "fields": [
//                 {
//                   "name": "replayId",
//                   "type": "long"
//                 }
//               ]
//             }
//           }
//         ]
//       }
//     },
//     {
//       "name": "channel",
//       "type": "string"
//     }
//   ]
// }

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

ls_Name = loo_JResp.StringOf("name")
ls_Namespace = loo_JResp.StringOf("namespace")
ls_V_type = loo_JResp.StringOf("type")
i = 0
li_Count_i = loo_JResp.SizeOfArray("fields")
do while i < li_Count_i
    loo_JResp.I = i
    ls_Name = loo_JResp.StringOf("fields[i].name")
    ls_V_Type = loo_JResp.StringOf("fields[i].type.type")
    ls_Name = loo_JResp.StringOf("fields[i].type.name")
    ls_Namespace = loo_JResp.StringOf("fields[i].type.namespace")
    ls_V_type = loo_JResp.StringOf("fields[i].type")
    j = 0
    li_Count_j = loo_JResp.SizeOfArray("fields[i].type.fields")
    do while j < li_Count_j
        loo_JResp.J = j
        ls_Name = loo_JResp.StringOf("fields[i].type.fields[j].name")
        ls_V_type = loo_JResp.StringOf("fields[i].type.fields[j].type")
        ls_TypeType = loo_JResp.StringOf("fields[i].type.fields[j].type.type")
        ls_TypeName = loo_JResp.StringOf("fields[i].type.fields[j].type.name")
        ls_Doc = loo_JResp.StringOf("fields[i].type.fields[j].type.doc")
        k = 0
        li_Count_k = loo_JResp.SizeOfArray("fields[i].type.fields[j].type.fields")
        do while k < li_Count_k
            loo_JResp.K = k
            ls_Name = loo_JResp.StringOf("fields[i].type.fields[j].type.fields[k].name")
            ls_V_type = loo_JResp.StringOf("fields[i].type.fields[j].type.fields[k].type")
            ls_Doc = loo_JResp.StringOf("fields[i].type.fields[j].type.fields[k].doc")
            ls_Default = loo_JResp.StringOf("fields[i].type.fields[j].type.fields[k].default")

            loo_Json1 = loo_JResp.ObjectOf("fields[i].type.fields[j].type.fields[k]")
            li_I1 = 0
            li_Count_i1 = loo_Json1.SizeOfArray("type")
            do while li_I1 < li_Count_i1
                loo_Json1.I = li_I1
                ls_StrVal = loo_Json1.StringOf("type[i]")
                li_I1 = li_I1 + 1
            loop
            destroy loo_Json1
            k = k + 1
        loop
        j = j + 1
    loop
    i = i + 1
loop


destroy loo_Http
destroy loo_SbResponseBody
destroy loo_JResp

Curl Command

curl -X GET
	-H "Authorization: Bearer <access_token>"
	-H "Content-Type: application/json"
https://domain.com/services/data/v{{version}}/sobjects/:EVENT_NAME/eventSchema

Postman Collection Item JSON

{
  "name": "Platform Event Schema by Event Name",
  "request": {
    "method": "GET",
    "header": [
      {
        "key": "Content-Type",
        "value": "application/json"
      }
    ],
    "url": {
      "raw": "{{_endpoint}}/services/data/v{{version}}/sobjects/:EVENT_NAME/eventSchema",
      "host": [
        "{{_endpoint}}"
      ],
      "path": [
        "services",
        "data",
        "v{{version}}",
        "sobjects",
        ":EVENT_NAME",
        "eventSchema"
      ],
      "query": [
        {
          "key": "payloadFormat",
          "value": "",
          "description": "(Optional query parameter. Available in API version 43.0 and later.) The format of the returned event schema. This parameter can take one of the following values.\nEXPANDED—The JSON representation of the event schema, which is the default format when payloadFormat is not specified in API version 43.0 and later.\nCOMPACT—A format that adheres to the open-source Apache Avro specification for the record complex type (see Apache Avro Format). Subscribers use the compact schema format to deserialize compact events received in binary form.",
          "disabled": true
        }
      ],
      "variable": [
        {
          "key": "EVENT_NAME",
          "value": "",
          "description": "API Name of the event"
        }
      ]
    },
    "description": "Set, reset, or get information about a user password. This resource is available in REST API version 24.0 and later."
  },
  "response": [
    {
      "name": "Platform Event Schema by Event Name",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "url": {
          "raw": "{{_endpoint}}/services/data/v{{version}}/sobjects/:EVENT_NAME/eventSchema",
          "host": [
            "{{_endpoint}}"
          ],
          "path": [
            "services",
            "data",
            "v{{version}}",
            "sobjects",
            ":EVENT_NAME",
            "eventSchema"
          ],
          "query": [
            {
              "key": "payloadFormat",
              "value": "",
              "description": "(Optional query parameter. Available in API version 43.0 and later.) The format of the returned event schema. This parameter can take one of the following values.\nEXPANDED—The JSON representation of the event schema, which is the default format when payloadFormat is not specified in API version 43.0 and later.\nCOMPACT—A format that adheres to the open-source Apache Avro specification for the record complex type (see Apache Avro Format). Subscribers use the compact schema format to deserialize compact events received in binary form.",
              "disabled": true
            }
          ],
          "variable": [
            {
              "key": "EVENT_NAME",
              "value": "Sample__e",
              "description": "API Name of the event"
            }
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Date",
          "value": "Mon, 03 Jul 2023 13:06:08 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=2/15000"
        },
        {
          "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    \"name\": \"Sample__e\",\n    \"namespace\": \"com.sforce.eventbus\",\n    \"type\": \"expanded-record\",\n    \"fields\": [\n        {\n            \"name\": \"data\",\n            \"type\": {\n                \"type\": \"record\",\n                \"name\": \"Data\",\n                \"namespace\": \"\",\n                \"fields\": [\n                    {\n                        \"name\": \"schema\",\n                        \"type\": \"string\"\n                    },\n                    {\n                        \"name\": \"payload\",\n                        \"type\": {\n                            \"type\": \"record\",\n                            \"name\": \"Payload\",\n                            \"doc\": \"\",\n                            \"fields\": [\n                                {\n                                    \"name\": \"CreatedDate\",\n                                    \"type\": \"string\",\n                                    \"doc\": \"CreatedDate:DateTime\"\n                                },\n                                {\n                                    \"name\": \"CreatedById\",\n                                    \"type\": \"string\",\n                                    \"doc\": \"CreatedBy:EntityId\"\n                                },\n                                {\n                                    \"name\": \"Message__c\",\n                                    \"type\": [\n                                        \"null\",\n                                        \"string\"\n                                    ],\n                                    \"doc\": \"Data:Text:00N4H00000Ecs0G\",\n                                    \"default\": null\n                                }\n                            ]\n                        }\n                    },\n                    {\n                        \"name\": \"event\",\n                        \"type\": {\n                            \"type\": \"record\",\n                            \"name\": \"Event\",\n                            \"fields\": [\n                                {\n                                    \"name\": \"replayId\",\n                                    \"type\": \"long\"\n                                }\n                            ]\n                        }\n                    }\n                ]\n            }\n        },\n        {\n            \"name\": \"channel\",\n            \"type\": \"string\"\n        }\n    ]\n}"
    }
  ]
}