# Class TimeHelper OptimaJet.Workflow.Core.License.TimeHelper Provides the Workflow Engine compilation timestamp through [TimeHelper.CompileTime](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.License/TimeHelper/) for license validation. Namespace: [OptimaJet.Workflow.Core.License](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.License/) ```csharp public static class TimeHelper ``` ## Fields `public const long CompileTime = 639220617707278280` Represents the UTC compilation time as a [DateTime.Ticks](https://learn.microsoft.com/dotnet/api/system.datetime.ticks) value. [Previous IWorkflowEngineNetRestriction](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.License/IWorkflowEngineNetRestriction/) [Next ILogger](https://api.workflowengine.io/core/OptimaJet.Workflow.Core.Logging/ILogger/)