The default value of the input. For properties that expect a literal, the default is a literal value, for properties that expect an object, it's an ID reference to one of the current values.
Whether or not a property is mutable. Default is false. Specifying this for a property that also has a value makes it act similar to a "hidden" input in an HTML form.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-24 UTC."],[],[],null,["Type name: [PropertyValueSpecification](/workspace/gmail/markup/reference/types/PropertyValueSpecification)\n\nExtends [Intangible](/workspace/gmail/markup/reference/types/Intangible)\n\n| Name | Type | Description |\n|----------------|----------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| defaultValue | [Text](/workspace/gmail/markup/reference/types/Text) or [Thing](/workspace/gmail/markup/reference/types/Thing) | The default value of the input. For properties that expect a literal, the default is a literal value, for properties that expect an object, it's an ID reference to one of the current values. |\n| maxValue | [Number](/workspace/gmail/markup/reference/types/Number) | The upper value of some characteristic or property. |\n| minValue | [Number](/workspace/gmail/markup/reference/types/Number) | The lower value of some characteristic or property. |\n| multipleValues | [Boolean](/workspace/gmail/markup/reference/types/Boolean) | Whether multiple values are allowed for the property. Default is false. |\n| readonlyValue | [Boolean](/workspace/gmail/markup/reference/types/Boolean) | Whether or not a property is mutable. Default is false. Specifying this for a property that also has a value makes it act similar to a \"hidden\" input in an HTML form. |\n| stepValue | [Number](/workspace/gmail/markup/reference/types/Number) | The stepValue attribute indicates the granularity that is expected (and required) of the value in a PropertyValueSpecification. |\n| valueMaxLength | [Number](/workspace/gmail/markup/reference/types/Number) | Specifies the allowed range for number of characters in a literal value. |\n| valueMinLength | [Number](/workspace/gmail/markup/reference/types/Number) | Specifies the minimum allowed range for number of characters in a literal value. |\n| valueName | [Text](/workspace/gmail/markup/reference/types/Text) | Indicates the name of the PropertyValueSpecification to be used in URL templates and form encoding in a manner analogous to HTML's input@name. |\n| valuePattern | [Text](/workspace/gmail/markup/reference/types/Text) | Specifies a regular expression for testing literal values according to the HTML spec. |\n| valueRequired | [Boolean](/workspace/gmail/markup/reference/types/Boolean) | Whether the property must be filled in to complete the action. Default is false. |"]]
