自定义一个自己的卡片配置文件myform_config.json,如何关联到卡片的FormExtensionAbility？

"extensionAbilities": [
  {
    "name": "EntryFormAbility",
    "srcEntry": "./ets/entryformability/EntryFormAbility.ets",
    "label": "$string:EntryFormAbility_label",
    "description": "$string:EntryFormAbility_desc",
    "type": "form",
    "metadata": [
      {
        "name": "ohos.extension.form",
        "resource": "$profile:myform_config"//myform_config.json文件放在profile文件夹下
      }
    ]
  }
]
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