> Documentation index: https://www.gooddata.ai/docs/gooddata-ui/llms.txt lists every page of these docs as Markdown.

# IDeclarativeCustomCalendarDefinition

- Package: [@gooddata/sdk-model](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/index.md)
- Kind: interface
- Stability: alpha
- Source: https://github.com/gooddata/gooddata-ui-sdk/blob/rel/11.64/libs/sdk-model/src/ldm/declarativeModel/index.ts

> **Alpha API.** Initial API, highly likely to change outside SemVer. Don't build on it in production. See [API maturity](https://www.gooddata.ai/docs/gooddata-ui/latest/integrations/platform/api-maturity/index.md).
> 

Calendar that reads its periods from data source tables.

**Signature:**

```typescript
export interface IDeclarativeCustomCalendarDefinition 
```

## Properties

| Property | Modifiers | Type | Description |
| --- | --- | --- | --- |
| [dataSourceTables](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.ideclarativecustomcalendardefinition/index.md#ideclarativecustomcalendardefinitiondatasourcetables) |  | { [id: string]: [IDeclarativeCalendarTableReference](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.ideclarativecalendartablereference/index.md); } | **_(ALPHA)_** |
| [type](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.ideclarativecustomcalendardefinition/index.md#ideclarativecustomcalendardefinitiontype) |  | "custom" | **_(ALPHA)_** |

## Property details

### IDeclarativeCustomCalendarDefinition.dataSourceTables

> **Alpha API.** Initial API, highly likely to change outside SemVer. Don't build on it in production. See [API maturity](https://www.gooddata.ai/docs/gooddata-ui/latest/integrations/platform/api-maturity/index.md).
> 

**Signature:**

```typescript
dataSourceTables: {
        [id: string]: IDeclarativeCalendarTableReference;
    };
```

### IDeclarativeCustomCalendarDefinition.type

> **Alpha API.** Initial API, highly likely to change outside SemVer. Don't build on it in production. See [API maturity](https://www.gooddata.ai/docs/gooddata-ui/latest/integrations/platform/api-maturity/index.md).
> 

**Signature:**

```typescript
type: "custom";
```