// Dynamically Populate Lookup Fields function populateLookupField(executionContext) { const formContext = executionContext.getFormContext(); // Retrieve the form context from the execution context in Dynamics 365 const Guid = "e35d1cf1-501f-4443-8a4f-1972fc665ad5"; // Define a random GUID to be assigned to the lookup field const lookupField = formContext.getAttribute("lookupField"); // Retrieve the lookup field (lookupField) from the form // Set the value of the lookup field with an object containing the reference details lookupField.setValue([{ id: Guid, // Unique identifier of the referenced entity (GUID) name: "Related Name", // Display name shown in the lookup field entityType: "entityName" // Logical name of the entity associated with the GUID (e.g., "account" or "contact") }]); }