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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-26 UTC."],[[["The latest version of the `UnconditionalTrigger` is 2.3.0, with prior versions available dating back to 1.0.0, all of which are accessible in the provided documentation."],["`UnconditionalTrigger` is a class that activates when any email message is opened, with the class inheriting from Object, and implementing several interfaces, including `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`."],["The `UnconditionalTrigger` class includes two constructors: a default constructor and one that takes another `UnconditionalTrigger` object as a parameter."],["This class is within the `Google.Apps.Script.Type.Gmail` namespace, and its assembly is in `Google.Apps.Script.Type.dll`."]]],[]]