> For the complete documentation index, see [llms.txt](https://docs.forgappify.com/workflow-building-blocks-for-jira/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.forgappify.com/workflow-building-blocks-for-jira/writing-jira-expressions.md).

# Writing Jira Expressions

- [Introduction to Jira Expressions](https://docs.forgappify.com/workflow-building-blocks-for-jira/writing-jira-expressions/introduction-to-jira-expressions.md)
- [Jira Expressions Library: Examples & Use Cases](https://docs.forgappify.com/workflow-building-blocks-for-jira/writing-jira-expressions/jira-expressions-library-examples-and-use-cases.md): This Jira expressions library provides practical examples and real-world use cases for using Jira expressions in workflow conditions and validators.
- [Writing validation messages](https://docs.forgappify.com/workflow-building-blocks-for-jira/writing-jira-expressions/writing-validation-messages.md)