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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 documentation for the \u003ccode\u003eParameterState\u003c/code\u003e enum within the \u003ccode\u003eGoogle.Cloud.Dialogflow.Cx.V3\u003c/code\u003e namespace.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eParameterState\u003c/code\u003e enum describes the possible states of a parameter, such as \u003ccode\u003eEmpty\u003c/code\u003e, \u003ccode\u003eFilled\u003c/code\u003e, \u003ccode\u003eInvalid\u003c/code\u003e, and \u003ccode\u003eUnspecified\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of this documentation is for version 2.23.0 of the .NET library, with numerous previous versions listed from 2.22.0 all the way down to 1.0.0.\u003c/p\u003e\n"],["\u003cp\u003eThis code is contained in the \u003ccode\u003eGoogle.Cloud.Dialogflow.Cx.V3.dll\u003c/code\u003e assembly.\u003c/p\u003e\n"]]],[],null,[]]