Chilkat Online Tools

Node.js / Salesforce Platform APIs / Platform Event Schema by Event Name

Back to Collection Items

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}


function chilkatExample() {

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

    var http = new chilkat.Http();
    var success;

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

    var sbResponseBody = new chilkat.StringBuilder();
    success = http.QuickGetSb("https://domain.com/services/data/v{{version}}/sobjects/:EVENT_NAME/eventSchema",sbResponseBody);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    var jResp = new chilkat.JsonObject();
    jResp.LoadSb(sbResponseBody);
    jResp.EmitCompact = false;

    console.log("Response Body:");
    console.log(jResp.Emit());

    var respStatusCode = http.LastStatus;
    console.log("Response Status Code = " + respStatusCode);
    if (respStatusCode >= 400) {
        console.log("Response Header:");
        console.log(http.LastHeader);
        console.log("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;
    var Name;
    var Namespace;
    var j;
    var count_j;
    var typeType;
    var typeName;
    var Doc;
    var k;
    var count_k;
    var doc;
    var default;
    // json1: JsonObject
    var json1;
    var i1;
    var count_i1;
    var strVal;

    var name = jResp.StringOf("name");
    var namespace = jResp.StringOf("namespace");
    var v_type = jResp.StringOf("type");
    var i = 0;
    var count_i = jResp.SizeOfArray("fields");
    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");
        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");
            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");
                while (i1 < count_i1) {
                    json1.I = i1;
                    strVal = json1.StringOf("type[i]");
                    i1 = i1+1;
                }

                k = k+1;
            }

            j = j+1;
        }

        i = i+1;
    }


}

chilkatExample();

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}"
    }
  ]
}