View as Markdown
AWS icon

AWS ACTION

DynamoDB - Update Item

Updates an existing item's attributes, or adds a new item to the table if it does not already exist. See docs
  • Action
  • Writes data
  • Destructive
  • API key
  • SDK
  • MCP

IMPLEMENTATION

Call this tool

Connect a user's AWS account once, then configure and run DynamoDB - Update Item from your backend or agent.

import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const result = await pd.actions.run({
  id: "aws-dynamodb-update-item",
  externalUserId: "{external_user_id}", // any stable ID for this user in your system
  configuredProps: {
    aws: { authProvisionId: "apn_xxxxxxx" },
    region: "AWS Region",
    tableName: "Table Name",
  },
})

console.log(result)

SCHEMA

Inputs

Pipedream supplies the connected account. Your application provides the operation-specific values below. Dynamic inputs are resolved against that user's account.

DynamoDB - Update Item inputs
Property Type Description
region AWS Region string
The AWS region
Required Dynamic
tableName Table Name string
The name of the table
Required Dynamic
updateExpression Update Expression string
An expression that defines one or more attributes to be updated, the action to be performed on them, and new values for them. Example: SET command = :echo, #execs = :oneh See the docs
Optional
expressionAttributeNames Expression Attribute Names string
One or more substitution tokens for attribute names in an expression. Example: { "#execs": "execs" } See the docs
Optional
expressionAttributeValues Expression Attribute Values string
One or more values that can be substituted in an expression. Use the : (colon) character in an expression to dereference an attribute value. Example: { ":echo": { "S": "echo" }, ":oneh": { "N": "100" } } See the docs
Optional

REFERENCE

Tool details

Behavior hints are published with the component in the Pipedream registry and surface as MCP tool annotations, so an agent can reason about a tool before it calls it.

Registry key
aws-dynamodb-update-item
Version
0.2.3
App
AWS
Authentication
API key
Read-only
No
Destructive
Yes
Open world
Yes