Type Alias CommandMeta

Automatic metadata stamped on every command.

type CommandMeta = {
    ts: number;
    id: string;
    causationId?: string;
    correlationId?: string;
}

Properties

ts: number

Monotonic timestamp (Date.now()) at dispatch time.

id: string

Unique command ID (crypto.randomUUID or fallback).

causationId?: string

ID of the command that caused this one (set manually via payload.__causationId).

correlationId?: string

Correlation ID for tracing a chain of commands (propagates from parent).