# ValidatorOrder

A validator determines whether or not an [instance](https://github.com/pyblish/api/tree/9d41e509649f2dfb91bc4d595aebabed2dc0512f/pages/instance.md) is valid.

**Illustration**

```
  _______                                  _____
         |                                |
input    |------ is valid? ----- yes ---->|  output
  _______|           |                    |_____
     ^               |
     |               no
     |               |
     |_______________|
```

## Example

```python
import pyblish.api as pyblish

class MyValidator(pyblish.InstancePlugin):
    """Documentation goes here"""

    order = pyblish.ValidatorOrder

    def process(self, instance):
        self.log.info("something")
```

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