[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-06-28 (世界標準時間)。"],[[["This documentation addresses the `steps.httpmodifier.UnresolvedVariable` error in Apigee X, which occurs when a variable referenced in an HTTPModifier policy is either out of scope or undefined."],["The error's `faultstring` provides the policy name and the specific variable that could not be resolved, which can then be used to locate the source of the problem."],["Diagnosis involves confirming the variable name in the HTTPModifier policy XML, then checking whether the variable is defined and available in the current flow."],["The root cause is either the variable is not defined, or it exists but is not available in the flow where the HTTPModifier policy is executed."],["Resolution involves ensuring that the referenced variable exists and is accessible within the specific flow where the HTTPModifier policy is being executed, typically by defining it in a preceding policy."]]],[]]