---
tags:
    - "Value"
    - "Reference"
    - "Global"
    - "Project"
    - "Scriptable Object"
---

# Variable

<div class="grid cards" markdown>

* :green_circle: Can Read

* :red_circle: Cannot Write

</div>

## Description

Any Variable or Local Variable reference

## Code

```cs
using System;
using UnityEngine;
using VisualScript.Icons;

namespace VisualScript.Runtime
{
    [Get]
    
    [Inline(nameof(m_Value), typeof(Variable), true)]
    [Title("Variable")]
    [Category("Variable")]
    
    [Description("Any Variable or Local Variable reference")]
    [Image(typeof(IconCubeOutline), ColorTheme.Type.TextLight, typeof(BadgeVariable))]
    
    [Keywords("Value", "Reference", "Global", "Project", "Scriptable Object")]
    
    [Serializable]
    public class TypeVariableInstance : TypeVariable
    {
        [SerializeField] private UnityEngine.Object m_Value;

        public override Variable GetPreview(GameObject source) => this.m_Value as Variable;

        public TypeVariableInstance()
        {
            this.m_Value = null;
        }
        
        public TypeVariableInstance(Variable variable)
        {
            this.m_Value = variable as UnityEngine.Object;
        }
        
        public TypeVariableInstance(GlobalVariable variable)
        {
            this.m_Value = variable;
        }
        
        public TypeVariableInstance(LocalVariable variable)
        {
            this.m_Value = variable;
        }
        
        public TypeVariableInstance(UnityEngine.Object instance)
        {
            this.m_Value = instance is Variable ? instance : null;
        }
        
        public override Variable Get(Args args)
        {
            return this.m_Value as Variable;
        }

        public override string ToString()
        {
            return this.m_Value != null
                ? this.m_Value.name
                : TextUtils.TEXT_NULL;
        }

        protected override SubscriptionMode Subscription => SubscriptionMode.OnEditorChange;
    }
}
```