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@aws-sdk/credential-provider-cognito-identity

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@aws-sdk/credential-provider-cognito-identity

[![NPM version](https://img.shields.io/npm/v/@aws-sdk/credential-provider-cognito-identity/latest.svg)](https://www.npmjs.com/package/@aws-sdk/credential-provider-cognito-identity) [![NPM downloads](https://img.shields.io/npm/dm/@aws-sdk/credential-provid

  • 3.7.0
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What is @aws-sdk/credential-provider-cognito-identity?

The @aws-sdk/credential-provider-cognito-identity package is part of the AWS SDK for JavaScript v3. It provides a way to retrieve AWS credentials and manage identity for applications using Amazon Cognito. This package is specifically designed to integrate with Amazon Cognito Identity Pools, allowing developers to authenticate users and grant them access to various AWS services.

What are @aws-sdk/credential-provider-cognito-identity's main functionalities?

Retrieve AWS Credentials

This feature allows developers to retrieve AWS credentials for authenticated or unauthenticated users from an Amazon Cognito Identity Pool. The credentials can then be used to access other AWS services.

import { fromCognitoIdentityPool } from '@aws-sdk/credential-provider-cognito-identity';
const credentials = fromCognitoIdentityPool({
  clientConfig: { region: 'us-west-2' },
  identityPoolId: 'us-west-2:12345678-1234-1234-1234-123456789012'
});

Customize Credential Behavior

Developers can specify a custom role ARN to define which IAM role the credentials should assume when accessing AWS services. This is useful for fine-grained control over permissions.

import { fromCognitoIdentityPool } from '@aws-sdk/credential-provider-cognito-identity';
const credentials = fromCognitoIdentityPool({
  clientConfig: { region: 'us-west-2' },
  identityPoolId: 'us-west-2:12345678-1234-1234-1234-123456789012',
  customRoleArn: 'arn:aws:iam::123456789012:role/MyCustomRole'
});

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Package last updated on 26 Feb 2021

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