Chilkat Online Tools

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

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

    let http = CkoHttp()
    var success: Bool

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

    let sbResponseBody = CkoStringBuilder()
    success = http.QuickGetSb("https://domain.com/services/data/v{{version}}/sobjects/:EVENT_NAME/eventSchema", sbContent: sbResponseBody)
    if success == false {
        print("\(http.LastErrorText)")
        return
    }

    let jResp = CkoJsonObject()
    jResp.LoadSb(sbResponseBody)
    jResp.EmitCompact = false

    print("Response Body:")
    print("\(jResp.Emit())")

    var respStatusCode: Int = http.LastStatus.intValue
    print("Response Status Code = \(respStatusCode)")
    if respStatusCode >= 400 {
        print("Response Header:")
        print("\(http.LastHeader)")
        print("Failed.")
        return
    }

    // 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

    var v_Type: String?
    var Name: String?
    var Namespace: String?
    var j: Int
    var count_j: Int
    var typeType: String?
    var typeName: String?
    var Doc: String?
    var k: Int
    var count_k: Int
    var doc: String?
    var default: String?
    var json1: CkoJsonObject?
    var i1: Int
    var count_i1: Int
    var strVal: String?

    var name: String? = jResp.StringOf("name")
    var namespace: String? = jResp.StringOf("namespace")
    var v_type: String? = jResp.StringOf("type")
    var i: Int = 0
    var count_i: Int = jResp.SizeOfArray("fields").intValue
    while i < count_i {
        jResp.I = i
        name = jResp.StringOf("fields[i].name")
        v_Type = jResp.StringOf("fields[i].type.type")
        Name = jResp.StringOf("fields[i].type.name")
        Namespace = jResp.StringOf("fields[i].type.namespace")
        v_type = jResp.StringOf("fields[i].type")
        j = 0
        count_j = jResp.SizeOfArray("fields[i].type.fields").intValue
        while j < count_j {
            jResp.J = j
            name = jResp.StringOf("fields[i].type.fields[j].name")
            v_type = jResp.StringOf("fields[i].type.fields[j].type")
            typeType = jResp.StringOf("fields[i].type.fields[j].type.type")
            typeName = jResp.StringOf("fields[i].type.fields[j].type.name")
            Doc = jResp.StringOf("fields[i].type.fields[j].type.doc")
            k = 0
            count_k = jResp.SizeOfArray("fields[i].type.fields[j].type.fields").intValue
            while k < count_k {
                jResp.K = k
                name = jResp.StringOf("fields[i].type.fields[j].type.fields[k].name")
                v_type = jResp.StringOf("fields[i].type.fields[j].type.fields[k].type")
                doc = jResp.StringOf("fields[i].type.fields[j].type.fields[k].doc")
                default = jResp.StringOf("fields[i].type.fields[j].type.fields[k].default")

                json1 = jResp.ObjectOf("fields[i].type.fields[j].type.fields[k]")
                i1 = 0
                count_i1 = json1!.SizeOfArray("type").intValue
                while i1 < count_i1 {
                    json1.I = i1
                    strVal = json1!.StringOf("type[i]")
                    i1 = i1 + 1
                }

                json1 = nil
                k = k + 1
            }

            j = j + 1
        }

        i = i + 1
    }


}

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}"
    }
  ]
}