# Dropdown

<figure><img src="/files/JRI6RTTdHvfYhH7zh8nz" alt="" width="563"><figcaption></figcaption></figure>

## Input combo type dropdown.list

Displays a drop-down menu that lets users select one option.

## Usage example

```xml
<form>
    <inputcombo
        type='dropdown.list'
        id='variable_from_list'
        label="Select a variable"
        description="Select a common variable from all devices"
        placeholder='Choose an option'
        value="temperature"
    >
       <menu>
            <item id='temperature'>Temperature</item>
	    <item id='humidity'>Humidity</item>
	    <item id='iluminance'>Iluminance</item>
	    <item id='magnetic_flux'>Magnetic flux</item>
      </menu>
    </inputcombo>

</form>
```

## Properties

* `id`: Unique identifier for this field
* `label`: Header text
* `description`: Short descriptive text
* `placeholder`: Placeholder text
* `shape`: Used to align the label and the input field. Allowed values:
  * `compactVertical`
  * `wideVertical`
  * `wideHorizontal`
* `value`: Sets a default value from the defined menu items. This value must match the `id` of one menu option. Otherwise, no default value is set and the placeholder is displayed.

## Option properties

`id`: Unique identifier for the selected value.


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