// Create a new item
await collection.addItems([{
  slug: "eric",
  fieldData: {
    [nameField.id]: { type: "string", value: "Eric" },
    [ageField.id]: { type: "number", value: 47 },
  },
}])

// Update an existing item
await collection.addItems([{ id: "aBc123", slug: "bar" }])

• If an id is provided and matches an existing item, that item will be updated.

• Items without an id are created as new records.

• slug should be unique.

Omitted top-level fields remain unchanged. Supplied arrays replace their items and nested field data; include everything to keep. Reuse array item IDs to preserve matching localized values, or omit IDs to create new items. Pass value: [] to clear an array.

Parameters

• items: CollectionItemInput[] – An array of items to add or update.

Returns

• Promise<void>