# AssignableTo

```cs
var theSimpsonsDog = new Person { Name = "Santas little helper" };
theSimpsonsDog.ShouldBeAssignableTo<Pet>();
```

[snippet source](https://github.com/shouldly/shouldly/blob/master/src/DocumentationExamples/CodeExamples/ShouldBeAssignableToExamples.ShouldBeAssignableTo.codeSample.approved.cs#L1-L2) | [anchor](#snippet-ShouldBeAssignableToExamples.ShouldBeAssignableTo.codeSample.approved.cs)

**Exception**

```
theSimpsonsDog
    should be assignable to
Simpsons.Pet
    but was
Simpsons.Person
```