Action "integer range" composite binding?

Unity Engine
1

Is it possible to create a binding similar to the 1D axis and 2D vector composites, but where each binding is mapped to a specific integer?

My use case is an inventory system, where keyboard keys 1, 2, 3, 4, and TAB each select a different inventory group.

Preferred mapping would then be:
1 = 0,
2 = 1,
3 = 2,
4 = 3,
TAB = 4

Edit: By mapping I mean number returned by ReadValue

2

The answer was to create a custom composite. Albeit clunky it works

using UnityEngine.InputSystem.Utilities;
using UnityEngine.InputSystem.Layouts;
using UnityEngine.InputSystem;
using UnityEngine;
using UnityEditor;

#if UNITY_EDITOR
[InitializeOnLoad] // Automatically register in editor.
#endif

[DisplayStringFormat("{firstPart}+{secondPart}")]
public class IndexedComposite : InputBindingComposite<int>
{
    [InputControl(layout = "Button")] public int id_1;
    [InputControl(layout = "Button")] public int id_2;
    [InputControl(layout = "Button")] public int id_3;
    [InputControl(layout = "Button")] public int id_4;
    [InputControl(layout = "Button")] public int id_5;

    public override int ReadValue(ref InputBindingCompositeContext context)
    {
        var a = context.ReadValueAsButton(id_1);
        var b = context.ReadValueAsButton(id_2);
        var c = context.ReadValueAsButton(id_3);
        var d = context.ReadValueAsButton(id_4);
        var e = context.ReadValueAsButton(id_5);

        if (a) return 1;
        if (b) return 2;
        if (c) return 3;
        if (d) return 4;
        if (e) return 5;
        return 0;
    }

    static IndexedComposite()
    {
        InputSystem.RegisterBindingComposite<IndexedComposite>();
    }

    [RuntimeInitializeOnLoadMethod]
    static void Init() { } // Trigger static constructor.
}