Config Datapack

data/config/tags/function/add.json

{"values":["example:setup_config"]}

data/example/function/setup_config.mcfunction

data modify storage config:list configs append value <config screen>
execute store result storage config:list configs[-1].inputs[0].initial int 1 run scoreboard players get @s exampleValue

data/config/tags/dialog/list.json

{"values":["example:config"]}

data/example/dialog/config.json

{
  "type": "minecraft:multi_action",
  "title": "Example Config",
  "inputs": [
    {
      "type": "minecraft:number_range",
      "key": "int",
      "label": "Int",
      "start": 0,
      "end": 100,
      "step": 1,
      "initial": 10
    },
    {
      "type": "minecraft:number_range",
      "key": "float",
      "label": "Float",
      "start": 0,
      "end": 100,
      "step": 0.1,
      "initial": 40
    },
    {
      "type": "minecraft:single_option",
      "key": "enum",
      "label": "Enum",
      "options": [
        "first",
        "second",
        "third"
      ]
    }
  ],
  "columns": 1,
  "actions": [
    {
      "label": "Save",
      "action": {
        "type": "dynamic/run_command",
        "template": "function example:config {int:$(int),float:$(float),enum:\"$(enum)\"}"
      }
    }
  ]
}