> For the complete documentation index, see [llms.txt](https://docs.pptxbuilder.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pptxbuilder.com/v1/api-reference/json-pptx/request-data/chart_title.md).

# Chart title

Within each slide you can provide a chart title value and this will be rendered in the chart and in the downloaded presentation.

#### Example in JSON

```javascript
{
    "chart_title": "custom title"
}
```

#### Example slide JSON with Chart Title

```javascript
{
    "id": "custom-id",
    "table_text": "text",
    "question_text": "question",
    "base_text": "text",
    "rows": [],
    "columns": [],
    "chart_title": "custom title",
    "view_settings": {
        "slide_master_index": 0,
        "slide_layout_index": 0,
        "placeholder_index": 0,
        "chart_type": "bar",
        "show_chart_title": true,
        "chart_title_font_bold": false,
        "chart_title_font_size": 13,
        "chart_title_font_color": "rgb(123,123,123)",
        "chart_title_font_family": "arial_narrow"
    },
    "deleted": false,
    "custom_obj": null
}
```