# `mix ash.gen.custom_expression`
[🔗](https://github.com/ash-project/ash/blob/v3.23.1/lib/mix/tasks/gen/ash.gen.custom_expression.ex#L6)

Generates a custom expression

See [Ash.CustomExpression](https://hexdocs.pm/ash/Ash.CustomExpression.html) for more.

## Example

```bash
mix ash.gen.custom_expression MyApp.Expressions.LevenshteinDistance --args string,string
```

## Options

* `--args` - A comma separated list of argument types. i.e `--args string`

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*Consult [api-reference.md](api-reference.md) for complete listing*