Type Alias eventually::command::Envelope

pub type Envelope<T> = Envelope<T>;

A Command represents an intent by an Actor (e.g. a User, or a System) to mutate the state of the system.

In an event-sourced system, a Command is represented as a [Message].

Aliased Type

struct Envelope<T> {
    pub message: T,
    pub metadata: HashMap<String, String>,
}

Fields

message: T

The message payload.

metadata: HashMap<String, String>

Optional metadata to provide additional context to the message.