Synthetics: Get S3 bucket/key location at runtime

Question

Is there a way in a CloudWatch Synthetics script (nodejs) to get the S3 bucket and key location for artifacts during runtime? I see log messages like:
```
S3 destination for uploading artifacts determined: 
{
    "s3Bucket": "cw-syn-results-accountid-region",
    "s3Key": "canary/region/name-uuid/2021/12/28/time"
}
```
Can I get that bucket and key for use in my script, even if it's unofficial and may break in future canary versions?

AWS-User-9784718 · Answer

There is no currently supported way to do that.

If you need that information, this currently works (testing using `syn-nodejs-puppeteer-3.3`):

```
const uploader = require('SyntheticsUploader');

await uploader.setUpUploader();
const s3Path = 's3://' + uploader.getS3Path();
```

It is completely unsupported, though.

Synthetics: Get S3 bucket/key location at runtime

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