CallbackOptions - AWS Lambda
This documentation is a draft for private preview for regions in the AWS European Sovereign Cloud. Documentation content will continue to evolve. Published: December 31, 2025.

CallbackOptions

Configuration options for callback operations in durable executions, including timeout settings and retry behavior.

Contents

HeartbeatTimeoutSeconds

The heartbeat timeout for the callback operation, in seconds. If not specified or set to 0, heartbeat timeout is disabled.

Type: Integer

Valid Range: Minimum value of 0.

Required: No

TimeoutSeconds

The timeout for the callback operation in seconds. If not specified or set to 0, the callback has no timeout.

Type: Integer

Valid Range: Minimum value of 0.

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: