CustomerManagedDatastoreS3Storage
S3-customer-managed; When you choose customer-managed storage, the retentionPeriod parameter is ignored. You can't change the choice of Amazon S3 storage after your data store is created.  
Contents
- bucket
- 
               The name of the Amazon S3 bucket where your data is stored. Type: String Length Constraints: Minimum length of 3. Maximum length of 255. Pattern: ^[a-zA-Z0-9.\-_]*$Required: Yes 
- roleArn
- 
               The ARN of the role that grants AWS IoT Analytics permission to interact with your Amazon S3 resources. Type: String Length Constraints: Minimum length of 20. Maximum length of 2048. Required: Yes 
- keyPrefix
- 
               (Optional) The prefix used to create the keys of the data store data objects. Each object in an Amazon S3 bucket has a key that is its unique identifier in the bucket. Each object in a bucket has exactly one key. The prefix must end with a forward slash (/). Type: String Length Constraints: Minimum length of 1. Maximum length of 255. Pattern: ^[a-zA-Z0-9!_.*'()/{}:-]*/$Required: No 
See Also
For more information about using this API in one of the language-specific AWS SDKs, see the following: