---
title: "GraphNode"
sidebar_label: "GraphNode"
description: "The clika_runtime.runtime GraphNode class."
---

<!-- Generated by tools/api_reference/generate_api_docs.py. Do not edit. -->

A serving node: built from an executable graph (from_graph) or served by Python callables (function_node). Drive one with an Executor, or wire several into a Pipeline step list.

## `input_names` (property)

The node's input slot names.

## `output_names` (property)

The node's output slot names.

## `phases` (property)

The node's phases, in execution order.

## `schema` (property)

The node's I/O contract (a copy).

## `__init__`

```python
__init__(self, /, *args, **kwargs)
```

Initialize self.  See help(type(self)) for accurate signature.