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Context of the QuestionUniversal Containers (UC) wants to include details from a related list on the Account object in a prompt template. This is typically done via Prompt Builder in Salesforce’s generative AI setup.

Prompt Builder Behavior

Selecting a Related List: Within Prompt Builder, you can navigate to the object (Account) and choose which related list (e.g., Contacts, Opportunities) you want to reference.

Field Picker: Once a related list is chosen, Prompt Builder provides a field picker interface, allowing you to select specific fields from that related list. These fields then become available for merge fields or dynamic insertion within your prompt.

Why Option A is Correct

Direct Alignment with the Standard Process: The recommended approach in Salesforce’s documentation is to select a related list and then use the field picker to add the necessary fields into your AI prompt. This ensures the prompt has exactly the data you need from that related list.

Why Not Option B (JSON Formatting)

No Mandatory JSON Requirement: Although you can structure data as JSON if you desire advanced formatting, Prompt Builder does not require you to manually assign the fields from the related list in JSON. The platform automatically handles how the data is passed along in the background.

Why Not Option C (Default Page Layout)

Independent of Page Layout: Prompt Builder does not rely strictly on the default page layout for fields. You can configure the fields you want from the related list, independent of how the user’s page layout is set up in the UI.

ConclusionSince the official Salesforce approach involves selecting a related list and then using the field picker to insert merge fields, Option A is the correct and verified answer.

Salesforce Agentforce Specialist References & Documents

Salesforce Official Documentation: Prompt Builder BasicsExplains how to reference objects and related lists when building AI prompts.

Salesforce Trailhead: Get Started with Prompt BuilderProvides hands-on exercises demonstrating how to pick fields from related objects or lists.

Salesforce Agentforce Specialist Study GuideOutlines best practices for referencing related records and fields in generative AI prompts.