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ParameterMutation
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JSON 表示法 |
{
"parameter": string,
"parameterValue": string
} |
欄位 |
parameter |
string
必要欄位。要變更的參數名稱。這個值必須:* 小於 40 個字元。* 規則中所有變動的不重複值 * 只能包含字母、數字或 _ (底線)。事件編輯規則的名稱也可以設為「eventName」修改現有的 eventName。
|
parameterValue |
string
必要欄位。要執行的值異動。* 不得超過 100 個半形字元。* 如要為參數指定常數值,請使用值的字串。* 如要從其他參數複製值,請使用「[[other_parameter]]」等語法詳情請參閱這篇說明中心文章。
|
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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\u003eDefines an event parameter for mutation using JSON representation with \u003ccode\u003eparameter\u003c/code\u003e and \u003ccode\u003eparameterValue\u003c/code\u003e fields.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eparameter\u003c/code\u003e specifies the event parameter's name for mutation, adhering to specific length, uniqueness, and character constraints.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eparameterValue\u003c/code\u003e defines the mutation, either as a constant string value or by copying from another parameter using a specific syntax.\u003c/p\u003e\n"]]],["The provided JSON structure defines event parameter mutations, requiring a `parameter` name and its `parameterValue`. The `parameter` must be a unique string (under 40 characters), containing letters, digits, or underscores; 'eventName' is also acceptable for event edits. `parameterValue` (under 100 characters) can be a constant string or reference another parameter using the format \"\\[\\[other_parameter\\]\\]\". This controls how an event's parameter should be changed.\n"],null,["# ParameterMutation\n\n- [JSON representation](#SCHEMA_REPRESENTATION)\n\nDefines an event parameter to mutate.\n\n| JSON representation |\n|-----------------------------------------------------------|\n| ``` { \"parameter\": string, \"parameterValue\": string } ``` |\n\n| Fields ||\n|------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `parameter` | `string` Required. The name of the parameter to mutate. This value must: \\* be less than 40 characters. \\* be unique across across all mutations within the rule \\* consist only of letters, digits or _ (underscores) For event edit rules, the name may also be set to 'eventName' to modify the eventName in place. |\n| `parameterValue` | `string` Required. The value mutation to perform. \\* Must be less than 100 characters. \\* To specify a constant value for the param, use the value's string. \\* To copy value from another parameter, use syntax like \"\\[\\[other_parameter\\]\\]\" For more details, see this [help center article](https://support.google.com/analytics/answer/10085872#modify-an-event&zippy=%2Cin-this-article%2Cmodify-parameters). |"]]