---
title: "Inputs"
url: "https://help.maxon.net/c4d/en-us/Content/html/NET_MAXON_NODE_META_ISCONSTANT-NET_MAXON_NODE_BASE_GROUP_INPUTS.html"
section_path: "The Node Editor > The individual Assets > Experimental > Is Constant > Inputs"
element_id: "NET_MAXON_NODE_META_ISCONSTANT"
group_id: "NET_MAXON_NODE_BASE_GROUP_INPUTS"
description: "The port connected here is checked whether it is a constant or variable value."
---

## Inputs

### Port

Parameter ID: `PORTIN`

The port connected here is checked whether it is a constant or variable value.