這個列舉值會指定 Update 產生的內容類型。
如要呼叫列舉，請呼叫其父項類別、名稱和屬性。例如
CardService.ContentType.TEXT。
屬性
| 屬性 | 類型 | 說明 |
|---|---|---|
TEXT | Enum | 表示產生的內容是純文字。預設值。 |
MUTABLE_HTML | Enum | 表示生成的內容採用 HTML 格式。產生內容後即可編輯。 |
IMMUTABLE_HTML | Enum | 表示生成的內容已格式化為 HTML，但這類內容在生成後無法編輯。 |
Enum ContentType
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上次更新時間：2025-07-26 (世界標準時間)。
[null,null,["上次更新時間：2025-07-26 (世界標準時間)。"],[[["\u003cp\u003e\u003ccode\u003eContentType\u003c/code\u003e is an enum used to define the type of content generated by \u003ccode\u003eUpdateDraftActionResponse\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eContent types include \u003ccode\u003eTEXT\u003c/code\u003e (default plain text), \u003ccode\u003eMUTABLE_HTML\u003c/code\u003e (editable HTML), and \u003ccode\u003eIMMUTABLE_HTML\u003c/code\u003e (non-editable HTML).\u003c/p\u003e\n"],["\u003cp\u003eTo specify a content type, use the syntax: \u003ccode\u003eCardService.ContentType.PROPERTY\u003c/code\u003e, replacing \u003ccode\u003ePROPERTY\u003c/code\u003e with the desired type.\u003c/p\u003e\n"]]],["The `ContentType` enum specifies the type of content generated by an `UpdateDraftActionResponse`. It has three properties: `TEXT`, `MUTABLE_HTML`, and `IMMUTABLE_HTML`. `TEXT` indicates plain text, which is the default. `MUTABLE_HTML` represents editable HTML content, while `IMMUTABLE_HTML` represents HTML content that cannot be edited after generation. These properties are accessed via `CardService.ContentType` followed by the chosen type, such as `TEXT`.\n"],null,["# Enum ContentType\n\nContentType\n\nAn enum value that specifies the content type of the content generated by a [UpdateDraftActionResponse](/apps-script/reference/card-service/update-draft-action-response).\n\nTo call an enum, you call its parent class, name, and property. For example, `\nCardService.ContentType.TEXT`. \n\n### Properties\n\n| Property | Type | Description |\n|------------------|--------|---------------------------------------------------------------------------------------------------------------------|\n| `TEXT` | `Enum` | Indicates that the generated content is plain text. Default. |\n| `MUTABLE_HTML` | `Enum` | Indicates that the generated content is formatted as HTML. The content can be edited after it is generated. |\n| `IMMUTABLE_HTML` | `Enum` | Indicates that the generated content is formatted as HTML, but this content cannot be edited after it is generated. |"]]