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The API that should be used for the Salesforce platform event solution is Tooling API. Tooling API is a specialized API that exposes metadata used in developer tooling that you can access through REST or SOAP. You can use Tooling API to create, update,or delete platform event definitions and fields4 Streaming API is used to subscribe to platform events and receive notifications when they are published5

References: Platform Events Developer Guide | Salesforce Developers, Define and Publish Platform EventsUnit | Salesforce Trailhead

QUESTIONNO: 241

Northern Trail Outfitters is in the final stages of merging two Salesforce orgs but needs to keep the retiring org available for a short period of time for lead management as it is connected to multiple publicweb site forms. The sales department has requested that new leads are available in the new Salesforce instance within 30 minutes.

Which two approaches will require the least amount of development effort?

Choose 2 answers

A Configure named credentials inthe source org.

B Use the Composite REST API to aggregate multiple leads in a single call.

C Use the tooling API with Process Builder to insert leads in real time.

D Call the Salesforce REST API to insert the lead into the target system.

Answer: A, B

The two approaches that will require the least amount of development effort are configuring named credentials in the source org and using the Composite REST API to aggregate multiple leads in a single call. Named credentials are a type of metadata that store authentication information for accessing external services, such as the target Salesforce org. By using named credentials, you can simplify the code for making callouts and avoid hardcoding credentials or tokens. The Composite REST API is a resource that allows you to execute multiple REST API requests in a single call. You can use the Composite REST API to create, update, or delete up to 25 records in one request. This can reduce the number of API calls and improve performance.

References: [Named Credentials], [Composite Resources]