Indicates that the parameter does not have a value.
Filled
Indicates that the parameter has a value.
Invalid
Indicates that the parameter value is invalid. This field can be used
by the webhook to invalidate the parameter and ask the server to
collect it from the user again.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThis webpage provides reference documentation for the \u003ccode\u003eParameterState\u003c/code\u003e enum within the Google Cloud Dialogflow CX v3 API.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation covers multiple versions of the API, ranging from version 1.0.0 to the latest version 2.23.0, with each linked to its respective documentation.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eParameterState\u003c/code\u003e has four possible values: \u003ccode\u003eEmpty\u003c/code\u003e, \u003ccode\u003eFilled\u003c/code\u003e, \u003ccode\u003eInvalid\u003c/code\u003e, and \u003ccode\u003eUnspecified\u003c/code\u003e, each of which has been defined with a description.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eInvalid\u003c/code\u003e state allows a webhook to signal that a parameter's current value is not valid, causing the server to prompt the user for a different value.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of this documentation is version 2.23.0.\u003c/p\u003e\n"]]],[],null,[]]