Workspaces redefine how developers interact with the OneStream Platform, bringing together formerly siloed objects, such as Cube Views, dashboards, and data management elements into a unified, flexible environment. This evolution in architecture introduces Assembly Services and application containers, reshaping development workflow and creating new opportunities to optimize user experiences and system efficiencies.

[The PDF will be made available for purchase and download on March 16th]

Whether you’re new to OneStream or a seasoned architect, Workspaces provide the tools to streamline customization and deliver more maintainable, scalable applications. This OneStream Workspaces and Assemblies book was written for developers, administrators, and technical users looking to confidently navigate the Workspace transition, understand its purpose, and apply it effectively within the framework of modern financial operations.

Through guided examples, screen walkthroughs, and best-practice strategies, dive into the components and concepts behind Workspaces and how they elevate your OneStream development. You will explore how enhanced security, collaborative development tools, and streamlined deployment models can transform how solutions are delivered in your organization.

Buy this book and get 25% off any OneStream Certification Exam.

• Set up and configure Workspaces for intuitive application design.
• Learn how Assemblies and Assembly Services can centralize business logic.
• Explore dashboard reorganization techniques for cleaner UI management.
• Understand the Dev-to-Prod lifecycle within the Workspace paradigm.
• Identify strategies to convert legacy components to Workspace-friendly formats.
• Grasp collaboration, security, and maintainability in a multi-developer environment.

Workspaces aren’t just another tool—they’re the gateway to a smarter, more connected way of developing in OneStream.

Table of Contents

1. Become One with OneStream
2. Understanding Workspaces
3. Setting Up Your Workspace
4. Components of Workspaces
5. Understanding Assemblies
6. Managing Assembly Business Rules
7. Managing Assembly Services
8. Intro to Dynamic Dashboards
9. Sharing and Reusing Workspace Objects
10. End-to-End Workspace Exercise
11. Troubleshooting Workspaces and Assemblies
12. The Future of Workspaces in OneStream
    

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by Eric Telhiard and Jessica Toner

ISBN: 9781068333842

Published March 16th, 2026.

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