# BaseManager (https://dev.cosmospay.lat/docs/sdk/definitions/server/base-manager/)

> Base class for all resource managers. Each manager owns a slice of the API (payment intents, webhooks, ...) and a lightweight in-memory cache of the structures…

Base class for all resource managers. Each manager owns a slice of the API (payment intents, webhooks, ...) and a lightweight in-memory cache of the structures it has materialized — an atomic, per-resource manager pattern. Extends EventEmitter so managers that surface real-time events (e.g. the webhook listener) can `emit`/`on` without extra plumbing.

## Constructor

### BaseManager

```ts
constructor(client: Client)
```

**Parameters**

- `client`: [`Client`](https://dev.cosmospay.lat/docs/sdk/definitions/server/client/)

## Properties

### id

```ts
id: string
```

### member

```ts
}> extends EventEmitter { readonly client: Client
```

### cache

Cache of structures keyed by id, populated on fetch/create.

```ts
readonly cache: Map<string, Structure>
```

### protected

Shortcut to the shared REST instance.

```ts
protected get rest(): REST
```

### protected

Store a structure in the cache and return it.

```ts
protected _add(structure: Structure): Structure
```

### resolveId

Resolve an id from either a raw id or a structure instance.

```ts
resolveId(idOrStructure: string | { id: string
```

### member

```ts
}): string
```

## Related

- [Client](https://dev.cosmospay.lat/docs/sdk/definitions/server/client/)