Examples of exporting integers in Godot to generate GUI elements

enums.gd

# enum - generates radio buttons
enum {
    SUIT_HEARTS,
    SUIT_DIAMONDS,
    SUIT_SPADES,
    SUIT_CLUBS
}
export(int, "Hearts", "Diamonds", "Spades", "Clubs") var suit := SUIT_HEARTS

# flag enum - generates checkboxes
enum {
    TYPE_FIRE = 1,
    TYPE_ICE = 2,
    TYPE_WIND = 4,
    TYPE_EARTH = 8
}
export(int, FLAG, "Fire", "Ice", "Wind", "Earth") var dmg_type = TYPE_FIRE | TYPE_ICE

# procedurally generate the PropertyInfo settings from a Dictionary mapping
tool
extends Node

enum {
    SUIT_HEARTS,
    SUIT_DIAMONDS,
    SUIT_SPADES,
    SUIT_CLUBS
}

const SuitNames := {
    SUIT_HEARTS: "Hearts",
    SUIT_DIAMONDS: "Diamonds",
    SUIT_SPADES: "Spades",
    SUIT_CLUBS: "Clubs"
}
var suit := SUIT_HEART

func _get_property_list() -> Array:
    return [
        {
            "name": "suit",
            "type": TYPE_INT,
            "hint": PROPERTY_HINT_ENUM,
            "hint_string": PoolStringArray(SuitNames.values()).join(",")
            "usage": PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_SCRIPT_VARIABLE
        }
    ]