# BarStyleMarker

Canonical page: https://www.adaptabletools.com/docs/reference/barstylemarker

Visual style of a marker drawn on a bar-chart-style track or bar — used by
Bullet Chart target markers and Range Bar value / reference markers.

```ts title="TypeScript"
export interface BarStyleMarker 
```

## Properties

| Property | Type | Description | Default |
| --- | --- | --- | --- |
| [Color](https://www.adaptabletools.com/docs/reference/barstylemarker.md#color) | `string` | Marker colour. Defaults to the current text colour. | 'var(--ab-color-text)' |
| [Shape](https://www.adaptabletools.com/docs/reference/barstylemarker.md#shape) | `'Line' \| 'Triangle' \| 'Dot' \| 'Diamond'` | Marker shape. |   |
| [Size](https://www.adaptabletools.com/docs/reference/barstylemarker.md#size) | `number` | Line thickness (for `Shape: 'Line'`) or shape size in px. |   |

## Property Details

### Color

Marker colour. Defaults to the current text colour.

```ts title="TypeScript"
Color?: string;
```

###### Default Value

'var(--ab-color-text)'

###### Property Value

`string`

### Shape

Marker shape.

```ts title="TypeScript"
Shape?: 'Line' | 'Triangle' | 'Dot' | 'Diamond';
```

###### Property Value

`'Line' | 'Triangle' | 'Dot' | 'Diamond'`

### Size

Line thickness (for `Shape: 'Line'`) or shape size in px.

```ts title="TypeScript"
Size?: number;
```

###### Property Value

`number`