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Domain.Event reference

Event

Section titled “Event”

Source: packages/domain/src/Event.ts

A fact your domain recorded, named in the past tense. Aggregates record events; their state, every view and every policy follow from them.

Event: Declaring events

Section titled “Event: Declaring events”

An event with data

import * as Domain from "@alchemy.run/domain";
import * as Schema from "effect/Schema";


export class MoneyDeposited extends Domain.Event("MoneyDeposited", {
  amount: Schema.Int,
  balanceAfter: Schema.Int,
}) {}

An event with no data

import * as Domain from "@alchemy.run/domain";


export class AccountClosed extends Domain.Event("AccountClosed") {}