# WhereNode (/docs/core/reference/api/interfaces/WhereNode)



[@kysoql/core](/docs/core/reference/api) / WhereNode

Immutable query AST node for a WHERE clause.

## Properties [#properties]

| Property                              | Modifier   | Type                                                                 | Description                                                      |
| ------------------------------------- | ---------- | -------------------------------------------------------------------- | ---------------------------------------------------------------- |
| <a id="api-property-kind" /> `kind`   | `readonly` | `"WhereNode"`                                                        | Node discriminator used by Kysoql compilers and plugin visitors. |
| <a id="api-property-where" /> `where` | `readonly` | [`OperationNode`](/docs/core/reference/api/interfaces/OperationNode) | Optional `WHERE` expression tree.                                |