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 webpage provides documentation for the `ParameterState` enum within the Google Cloud Dialogflow CX v3 API."],["The `ParameterState` enum represents the state of a parameter, with possible values including `Empty`, `Filled`, `Invalid`, and `Unspecified`."],["The documentation covers multiple versions of the Dialogflow CX v3 API, ranging from version 1.0.0 to the latest version 2.23.0."],["The `Invalid` parameter state can be used by webhooks to prompt the server to collect parameter information from the user again."],["It's specified that `Unspecified` should never be used."]]],[]]