# Build guides

> Step-by-step guides and patterns for building BPMN processes, including integrating systems and data, and extracting documents.

These guides and patterns help you build BPMN processes, from complete examples to integrating systems and data.

* [Implementing a complex BPMN process](./how-to-complex-process.md)
* [Common implementation scenarios](./common-implementation-scenarios.md)
* [Patterns library](./patterns-library.md)
* [Process Repository](./process-repository.md)
* [Integrating systems and data](./integrating-systems-and-data.md)
* [Extracting and validating documents](./how-to-document-extraction-and-validation.md)
* [BPMN templates](./references-templates.md)