Trax.Scheduler 1.61.0

Prefix Reserved
dotnet add package Trax.Scheduler --version 1.61.0
                    
NuGet\Install-Package Trax.Scheduler -Version 1.61.0
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Trax.Scheduler" Version="1.61.0" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Trax.Scheduler" Version="1.61.0" />
                    
Directory.Packages.props
<PackageReference Include="Trax.Scheduler" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add Trax.Scheduler --version 1.61.0
                    
#r "nuget: Trax.Scheduler, 1.61.0"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package Trax.Scheduler@1.61.0
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=Trax.Scheduler&version=1.61.0
                    
Install as a Cake Addin
#tool nuget:?package=Trax.Scheduler&version=1.61.0
                    
Install as a Cake Tool

Trax.Scheduler

Build NuGet codecov License: MIT Docs

Part of Trax .NET: business logic you can call, schedule, or serve as an API, with every run recorded in your Postgres. Docs · Getting started · Repository

Trax.Scheduler adds cron schedules, retries, dead letters and remote or Lambda workers for Trax trains. It builds on Trax.Mediator, and Trax.Api and Trax.Dashboard read and manage what it schedules.

Install

dotnet add package Trax.Scheduler
dotnet add package Trax.Effect.Data.Postgres    # or Trax.Effect.Data.Sqlite for a single process

Example

Adapted from the game server sample:

builder.Services.AddTrax(trax => trax
    .AddEffects(effects => effects.UsePostgres(connectionString))
    .AddMediator(typeof(RecalculateLeaderboardTrain).Assembly)
    .AddScheduler(scheduler => scheduler
        .Schedule<IRecalculateLeaderboardTrain>(
            "leaderboard-na",
            new RecalculateLeaderboardInput { Region = "na" },
            Every.Minutes(5),
            options => options.MaxRetries(3))));

Every five minutes the scheduler queues a run with that input and a worker claims it. A failed run retries with backoff, then lands in the dead-letter queue.

Where this fits

Trax is split into layers, one folder of this repository each. Take the ones you need; the trains you wrote do not change. You are here: Trax.Scheduler.

Folder What it adds
Trax.Core Trains, junctions and the chain, with no database and no DI container
Trax.Effect A recorded run for every execution (Postgres, SQLite or in memory), DI, effect providers, the state-machine engine
Trax.Mediator The train bus: run a train by handing over its input, with every chain checked at startup
Trax.Scheduler Cron and interval schedules, retries, dead letters, and workers on other machines or in Lambda
Trax.Api GraphQL generated from your trains, with authentication, audit and typed clients
Trax.Dashboard A Blazor Server UI for runs, schedules and dead letters, mounted in your app
Trax.Cli The trax tool: scaffold a hub and trains from an OpenAPI or GraphQL schema, and state-machine codegen
Trax.Samples Complete sample apps, and the trax-api, trax-scheduler and trax-hub templates

Docs live in Trax.Docs and are published at traxsharp.net/docs.

Contributing

Read AGENTS.md before changing code. Report vulnerabilities privately as described in SECURITY.md.

License

MIT. There is no commercial edition, and there will not be one.

Trax .NET is an independent open-source project and is not affiliated with the Utah Transit Authority, Trax Retail, or any other organization using the Trax name.

Product Compatible and additional computed target framework versions.
.NET net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (5)

Showing the top 5 NuGet packages that depend on Trax.Scheduler:

Package Downloads
Trax.Api

Core services behind the Trax .NET GraphQL API: health checks, per-train authorization, the HTTP principal provider and the shared DTOs. Trax.Api.GraphQL brings it in; reference it directly only to use those services without the GraphQL schema.

Trax.Dashboard

Blazor Server operations dashboard for Trax .NET, mounted into your existing ASP.NET Core host at /trax: trains, run metadata and logs, scheduler manifests and groups, dead letters, the work queue, and runtime effect settings. Install it in the app that already calls AddTrax, then call builder.AddTraxDashboard() and app.UseTraxDashboard().

Trax.Runner.Lambda

Base class for an AWS Lambda function that executes Trax .NET trains invoked directly by a scheduler using Trax.Scheduler.Lambda (UseLambdaWorkers or UseLambdaRun). Install it in the Lambda project that hosts your trains.

Trax.Scheduler.Sqs

Amazon SQS transport for Trax.Scheduler: dispatches queued jobs as SQS messages and provides the SQS-triggered Lambda consumer that runs them. Install it when scheduled trains should run on workers fed by an SQS queue.

Trax.Scheduler.Lambda

AWS Lambda transport for Trax.Scheduler: dispatches queued jobs and synchronous train runs to an AWS Lambda function by direct SDK invocation. Install it in the scheduler host when your trains run in a Lambda function built on Trax.Runner.Lambda.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
1.61.0 196 10/6/2026
1.37.0 274 10/6/2026
1.36.1 248 10/5/2026
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1.28.0 238 5/4/2026
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1.25.1 181 4/3/2026
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