Amazon AWS SDK User Manual

s3.client.listBuckets().done(function(response) {
console.log(response.data);
}).send();
Prints:
{ Owner: { ID: '...', DisplayName: '...' },
Buckets:
[ { Name: 'someBucketName', CreationDate: someCreationDate },
{ Name: 'otherBucketName', CreationDate: otherCreationDate } ],
RequestId: '...' }
on('error', function(error, response) { ... })
The error event works similarly to the success event, except that it triggers in the case of a request
failure. In this case, response.data will be null and the response.error field will be filled with the
error data. Note that the error object is also passed directly as the first parameter to the event:
s3.config.credentials.accessKeyId = 'invalid';
s3.client.listBuckets().fail(function(error, response) {
console.log(error);
// or:
console.log(response.error);
}).send();
Prints:
{ code: 'Forbidden', message: null }
on('complete', function(response) { ... })
The complete event triggers a callback in any final state of a request, i.e., both success and error.
Use this callback to handle any request cleanup that must be executed regardless of the success state.
Note that if you do intend to use response data inside of this callback, you must check for the presence
of response.data or response.error before attempting to access either property. For example:
request.on('complete', function(response) {
if (response.error) {
// an error occurred, handle it
} else {
// we can use response.data here
}
}).send();
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12
AWS SDK for Node.js Getting Started Guide
on('error', function(error, response) { ...
})

Amazon AWS SDK Specifications

General

Category	Software Development Kit (SDK)
Developer	Amazon Web Services (AWS)
License	Apache License 2.0
Purpose	To enable developers to interact with AWS services from their applications.
Supported Languages	Java, Python, JavaScript, .NET, Ruby, PHP, Go, C++
Supported AWS Services	All AWS services
Operating Systems	Windows, macOS, Linux
Latest Version	Varies by SDK and language. Refer to the official AWS documentation for the specific SDK.
Repository	GitHub (for many SDKs)
Documentation	Available on the AWS website.
SDK Features	API abstraction, request signing, error handling, retry logic, data serialization, and support for various authentication methods.