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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 page provides reference documentation for the \u003ccode\u003ePageInfo.Types.FormInfo.Types.ParameterInfo.Types.ParameterState\u003c/code\u003e enum in the Dialogflow v3 API.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version documented is 2.23.0, with a history of versions listed, including 2.22.0 through to version 1.0.0.\u003c/p\u003e\n"],["\u003cp\u003eThe enum \u003ccode\u003eParameterState\u003c/code\u003e represents the state of a parameter, offering four states: \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 different parameter states are used to know if a parameter has a value, if the value is valid, or if it is unspecified.\u003c/p\u003e\n"],["\u003cp\u003eThe namespace for the enum is \u003ccode\u003eGoogle.Cloud.Dialogflow.Cx.V3\u003c/code\u003e, within the assembly \u003ccode\u003eGoogle.Cloud.Dialogflow.Cx.V3.dll\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]