dataset.updateItem()

Added in: @mastra/core@1.4.0

Updates an existing item in the dataset. Only the provided fields are updated. Updating an item creates a new version.

Usage example

import { Mastra } from '@mastra/core'

const mastra = new Mastra({
  /* storage config */
})

const dataset = await mastra.datasets.get({ id: 'dataset-id' })

const updated = await dataset.updateItem({
  itemId: 'item-id',
  input: { question: 'What is TypeScript?' },
  groundTruth: { answer: 'A typed superset of JavaScript' },
  metadata: { reviewed: true },
})

Parameters

itemId:

string

ID of the item to update.

input?:

unknown

Updated input data.

groundTruth?:

unknown

Updated ground truth.

metadata?:

Record<string, unknown>

Updated metadata.

Returns

result:

Promise<DatasetItem>

The updated dataset item. See dataset.addItem() for the item shape.