public sealed class UnconditionalTrigger : IMessage<UnconditionalTrigger>, IEquatable<UnconditionalTrigger>, IDeepCloneable<UnconditionalTrigger>, IBufferMessage, IMessage
A trigger that fires when any email message is opened.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-02 UTC."],[[["The `UnconditionalTrigger` class, found in the `Google.Apps.Script.Type.Gmail` namespace, is designed to trigger an action whenever an email message is opened."],["This class implements multiple interfaces, including `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`, and also inherits from the base `Object` class."],["There are two constructors available for `UnconditionalTrigger`: a default constructor and another that accepts an existing `UnconditionalTrigger` instance as a parameter for cloning."],["The latest version available is 2.3.0, with versions ranging from 1.0.0 up to 2.3.0 available in this documentation."]]],[]]
