# Buffer

## Specification

### codepage

* Type: `String`
* The semantic of the buffer

{% hint style="info" %}
In combination with type `filename` the buffer can be used for better file input dialog.

```json
[
  {
    "name": "fileName",
    "type": "filename",
    "label": "File name",
    "semantic": "file:name"
  },
  {
    "name": "data",
    "type": "buffer",
    "label": "Data",
    "semantic": "file:data"
  }
]
```

{% endhint %}

## Examples

### Basic buffer

A simple binary buffer field. You can use the `toBinary()` function to convert data to a binary format.

{% tabs %}
{% tab title="Appearance" %}

<div align="left"><figure><img src="/files/vdUU6gXuyUUPaFeIkPmU" alt="" width="548"><figcaption></figcaption></figure></div>
{% endtab %}

{% tab title="Source" %}

```json
[
	{
		"name": "data",
		"type": "buffer",
		"label": "Data"
	}
]
```

{% endtab %}

{% tab title="Output" %}

<div align="left"><figure><img src="/files/Lp8bCUDA0ANVIQE16886" alt="" width="350"><figcaption></figcaption></figure></div>
{% endtab %}
{% endtabs %}

### File input

When combined with the `filename` parameter, the buffer can be used for a file input dialog.

{% tabs %}
{% tab title="Appearance" %}

<div align="left"><figure><img src="/files/2uwdPamJOamKzFf0efZH" alt="" width="563"><figcaption></figcaption></figure></div>
{% endtab %}

{% tab title="Source" %}

```json
[
	{
		"name": "fileName",
		"type": "filename",
		"label": "File name",
		"semantic": "file:name"
	},
	{
		"name": "data",
		"type": "buffer",
		"label": "Data",
		"semantic": "file:data"
	}
]
```

{% endtab %}
{% endtabs %}


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