| Method | 
        POST | 
      
      
        | Request URL | 
        Instance URL received in the access token response with a
          /services/data/v51.0/tooling/sobjects/PlatformEventChannelMember
          part, for example
          https://sales-sample-URL.my.salesforce.com/services/data/v51.0/tooling/sobjects/PlatformEventChannelMember
         | 
      
      
        | Sample request body of JSON type with enrichment fields
          added in an
          OpportunityEvents__chn
          channel member for an Opportunity entity
         | 
        
          
            {
  "FullName": "OpportunityEvents_chn_OpportunityChangeEvent",
  "Metadata": {
    "enrichedFields": [
      {"name": "OwnerId"},
      {"name": "Name"},
      {"name": "CloseDate"},
      {"name": "Probability"}, 
      {"name": "LastModifiedDate"},
      {"name": "LastModifiedById"},
      {"name": "IsClosed"},
      {"name": "AccountId"},
      {"name": "CreatedById"},
      {"name": "CreatedDate"}
    ],
    "eventChannel": "OpportunityEvents__chn",
    "selectedEntity": "OpportunityChangeEvent"
  }
}  
           
         | 
      
      
        | Sample request body of JSON type with enrichment fields
          added in an
          OpportunityEvents__chn
          channel member for an Opportunity entity
         | 
        
          
            {
  "FullName": "OpportunityEvents_chn_OpportunityChangeEvent",
  "Metadata": {
    "enrichedFields": [
      {"name": "OwnerId"},
      {"name": "Name"},
      {"name": "CloseDate"},
      {"name": "Probability"}, 
      {"name": "LastModifiedDate"},
      {"name": "LastModifiedById"},
      {"name": "IsClosed"},
      {"name": "AccountId"},
      {"name": "CreatedById"},
      {"name": "CreatedDate"}
    ],
    "eventChannel": "OpportunityEvents__chn",
    "selectedEntity": "OpportunityChangeEvent"
  }
}  
           
         | 
      
      
        | Sample request body of JSON type with enrichment fields
          added in a WorkOrderEvents__chn
          channel member for a Work Order entity
         | 
        
          {
  "FullName": "WorkOrderEvents_chn_ WorkOrderChangeEvent",
  "Metadata": {
    "enrichedFields": [
      {"name": "OwnerId"},
      {"name": "Subject"},
      {"name": "WorkOrderNumber"},
      {"name": "Priority"}, 
      {"name": "LastModifiedDate"},
      {"name": "LastModifiedById"},
      {"name": "IsClosed"},
      {"name": "AccountId"},
      {"name": "CreatedById"},
      {"name": "CreatedDate"}
    ],
    "eventChannel": "WorkOrderEvents__chn",
    "selectedEntity": "WorkOrderChangeEvent"
  }
}  
         |