Struct Event 

pub struct Event {
    pub header: Header,
    pub verb: String,
    pub substrate: SubstrateKind,
    pub actor: Option<String>,
    pub kind: EventKind,
    pub payload: EventPayload,
    pub payload_schema_version: u32,
    pub profile_state_version: Option<u64>,
    pub aggregate: Option<AggregateRef>,
}

A system event. Append-only, never mutated or deleted.

Fields

header: Header

verb: String

The verb that produced the event.

substrate: SubstrateKind

Which substrate type was acted upon.

actor: Option<String>

Who performed the action. Profile- or system-produced events may omit it.

kind: EventKind

Typed event discriminant used by replay, projections, and workers.

payload: EventPayload

Typed payload surface for known event families; raw JSON is still allowed.

payload_schema_version: u32

Payload schema version interpreted per kind.

profile_state_version: Option<u64>

Brain profile state version observed when the event was emitted.

aggregate: Option<AggregateRef>

Logical aggregate threaded across related event ids.

Trait Implementations

impl Clone for Event

fn clone(&self) -> Event

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Event

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.