Module output 

Hook output types — structured responses sent back to agents via stdout.

HookOutput is the complete response type. It is used directly by Claude Code (serialized as JSON). Other agents convert it to their protocol format via the HookProtocol trait methods.

Structs

HookOutput

The complete hook output sent to an agent via stdout.

PermissionDecision

Decision structure for PermissionRequest responses.

PermissionRequestOutput

Hook-specific output for PermissionRequest.

PostToolUseOutput

Output for PostToolUse hooks — provides advisory context back to the agent.

PreToolUseOutput

Hook-specific output for PreToolUse.

SessionStartOutput

Hook-specific output for SessionStart.

Enums

Effect

The effect of a policy decision on a tool invocation.

HookSpecificOutput

Hook-specific output variants.

PermissionBehavior

Decision behavior for PermissionRequest responses.