# Sequence class

Namespace: [Grasshopper2.Expressions](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.expressions.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public sealed class Sequence
```

An expression specifically designed to

## Properties

- [Expression](https://developer.rhino3d.com/api/gh2/type/grasshopper2.expressions.sequence/expression.md): Gets the expression associated with this sequence.
- [IsSelfReferential](https://developer.rhino3d.com/api/gh2/type/grasshopper2.expressions.sequence/isselfreferential.md): Gets whether this sequence has a self-referential lookup.

## Methods

- [Construct](https://developer.rhino3d.com/api/gh2/type/grasshopper2.expressions.sequence/construct.md): Construct a sequence.
- [TryCreate](https://developer.rhino3d.com/api/gh2/type/grasshopper2.expressions.sequence/trycreate.md): (static) Create a new sequence expression.