> For the complete documentation index, see [llms.txt](https://frinn.gitbook.io/custom-machinery-1.21/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://frinn.gitbook.io/custom-machinery-1.21/recipes/requirements/sky.md).

# Sky

This requirement will only check if the machine has clear access to the sky. 

The check occurs every tick so if the machine stop having access to the sky during a process (for example if a player place a block above it), it will stop and wait for sky to be visible again.

The requirement type of sky requirement is : `"custommachinery:sky"`.

### Properties

The sky requirement has 1 mandatory property.

#### Mandatory property

```json
"type": "custommachinery:sky" //Mandatory to define a sky requirement.
```

### Example

How to define a sky requirement:

```json
{
    "type": "custommachinery:sky"
}
```