> ## Documentation Index
> Fetch the complete documentation index at: https://praison.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Dead Letter Decision • AI Agent SDK

> DeadLetterDecision: Result of a dead-letter evaluation.

# DeadLetterDecision

> Defined in the [**protocols**](../modules/protocols) module.

<Badge color="blue">AI Agent</Badge>

Result of a dead-letter evaluation.

Attributes:
dead\_letter: Whether the entry should be routed to the dead-letter
queue / marked `permanent_failure` now. When `False` the
caller reschedules the entry under its normal capped backoff.
reason: Short machine-readable explanation (`"permanent_error"`,
`"attempts_and_age"`, `"retry"`) for logging/metrics.

## Properties

<ResponseField name="dead_letter" type="bool">
  No description available.
</ResponseField>

<ResponseField name="reason" type="str">
  No description available.
</ResponseField>

## Source

<Card title="View on GitHub" icon="github" href="https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/gateway/protocols.py#L3822">
  `praisonaiagents/gateway/protocols.py` at line 3822
</Card>