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Feb 6, 2023
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docs(idempotency): add IAM permissions section #1902

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7 changes: 7 additions & 0 deletions docs/utilities/idempotency.md
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Expand Up @@ -26,6 +26,13 @@ times with the same parameters**. This makes idempotent operations safe to retry

## Getting started

### IAM Permissions

Your Lambda function IAM Role must have `dynamodb:GetItem`, `dynamodb:PutItem`, `dynamodb:UpdateItem` and `dynamodb:DeleteItem` IAM permissions before using this feature.

???+ note
If you're using our example [AWS Serverless Application Model (SAM)](#required-resources), it already adds the required permissions.

### Required resources

Before getting started, you need to create a persistent storage layer where the idempotency utility can store its state - your lambda functions will need read and write access to it.
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