[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-03-25。"],[[["Dialogflow CX offers system entities to extract common types from user expressions, such as `@sys.color` for colors like \"red\" and \"blue\"."],["Some system entities are extendable, allowing you to add values like \"blue-green\" to `@sys.color` or to other applicable entities."],["System entities that can be extended are listed in the System entity reference and can be identified by their normal font color in the console."],["System entity support varies by language and region, with details on limitations provided in the system entity limitations section."],["Extending a system entity can be done via the Dialogflow CX console by selecting the extendable entity and adding values, or through the API similarly to creating custom entities."]]],[]]