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The Amazon SNS materialization connector in Estuary publishes documents from Estuary collections to Amazon Simple Notification Service (SNS) topics. It can continuously deliver data from real-time or batch pipelines into SNS for event-driven applications, notifications, and downstream AWS workflows.

• Publishes Estuary collection documents directly to Amazon SNS topics
• One SNS event is published for every document processed from the source collection
• Delta-update semantics only, since SNS does not store rows or support merge-based updates
• Supports standard and FIFO SNS topics, with FIFO topic names ending in .fifo
• Multiple Estuary collections can be mapped to SNS topics using separate bindings
• Configurable AWS region for the SNS service
• AWS Access Key authentication using an Access Key ID and Secret Access Key
• AWS IAM role authentication for role-based access
• Custom AWS endpoint support for compatible services such as LocalStack

Because Amazon SNS is an event-streaming system rather than a database, Estuary does not merge or update previously published records. Every document flowing through the materialization results in a new event being published to the configured SNS topic.