Use case

With the new Lambda Tenant Isolation feature, we have access to the TenantId from the Lambda context object as described in the lambda documentation. We should add the this ID to the default properties in the Logging utility.

Solution/User Experience

{
    "level": "Information",
    "message": "User object: Doe, John (42)",
    "timestamp": "2025-04-07 09:06:30.708",
    "service": "user-service",
    "coldStart": true,
    // ...
    "tenantId": "cff02b3a-0e12-4be2-b3e0-758b49c4cd9b"
    // ...
}

Alternative solutions

Acknowledgment

• This feature request meets Powertools for AWS Lambda (TypeScript) Tenets
• Should this be considered in other Powertools for AWS Lambda languages? i.e. Python, Java, and .NET

Future readers

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