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"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-21 UTC."],[[["This page provides documentation for the `PageInfo.Types.FormInfo.Types.ParameterInfo.Types.ParameterState` enum within the Dialogflow v3 API."],["The latest version of this documentation is for version 2.23.0, with an extensive history provided of previous versions that can be accessed from version 1.0.0."],["The `ParameterState` enum represents the state of a parameter, with possible values including `Empty`, `Filled`, `Invalid`, and `Unspecified`."],["The Dialogflow v3 API uses the `ParameterState` to describe whether a parameter has no value, has a value, or has an invalid value."],["Webhooks can use the `Invalid` state to prompt the server to re-collect parameter data from a user."]]],[]]
