# System methods: create, get, list

URL: /code/sdk/system/records · Id: `page:code/sdk/system/records`

> The System Verbs create, get, list as typed SDK methods, with inputs, result, refusals and an example.

Reference for [System](/business/nouns/system), one group of [System methods](/code/sdk/system).

### System.create
Creates a System. [Verb page](/business/nouns/system/create?interface=sdk).

```ts
interface SystemVerbs {
  create(input: SystemCreateInput, options?: SB.CallOptions): SB.Call<System>
}
```

Emits `System.created`.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `job` | `string` | Yes | The one job it does. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `system` | [System](/business/nouns/system) | Yes | The System. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```ts
import { $ } from 'startup-builder'

const system = await $.System.create({ job: 'Example job' })
```

### System.get
Returns one System by id. [Verb page](/business/nouns/system/get?interface=sdk).

```ts
interface SystemVerbs {
  get(input: SystemGetInput, options?: SB.CallOptions): SB.Call<System>
}
```

Reads only: it emits no Event.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | `string` | Yes | The id of the System. |
| `at` | `string` | No | A time or Version name: the record as it stood then. Unset: as it stands now. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `system` | [System](/business/nouns/system) | Yes | The System. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```ts
import { $ } from 'startup-builder'

const system = await $.System.get({ id: 'system_uGWze2jvrp' })
```

### System.list
Returns Systems, newest first, one page at a time. [Verb page](/business/nouns/system/list?interface=sdk).

```ts
interface SystemVerbs {
  list(input?: SystemListInput, options?: SB.CallOptions): SB.ListCall<System>
}
```

Reads only: it emits no Event.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `limit` | `integer` | No | At most this many records, up to 100. The default is 20. |
| `after` | `string` | No | The cursor from the previous page. |
| `where` | `string` | No | A filter over the properties, such as `paidAt = null and total.amount > 500`. |
| `sort` | `string` | No | Properties to sort by, comma-separated; a leading minus sorts descending. |
| `total` | `boolean` | No | True adds the match count as `meta.total`, exact up to 10,000 matches and estimated above. |
| `facets` | `string` | No | Properties to count by value, comma-separated, returned as `meta.facets`. |
| `fields` | `string` | No | Properties to return on each record, comma-separated; `$id` and `$type` always return. |
| `include` | `string` | No | Related records to embed in place of their URLs, comma-separated. |
| `depth` | `integer` | No | How many levels of related records to embed. The default is 1. |
| `q` | `string` | No | Words to match across the text properties, ranked by relevance. |
| `match` | `string` | No | Ranks the search by `words`, or `meaning`; words is the default. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `systems` | list of [System](/business/nouns/system) | Yes | One page of Systems. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```ts
import { $ } from 'startup-builder'

const systems = await $.System.list({ limit: 20 })
```