# Conditions & Validators

- [Ultimate Condition & Validator](/workflow-building-blocks-for-jira/conditions-validators/ultimate.md): A Smarter Way to Build Jira Validators 🎉
- [Linked Issues Condition & Validator](/workflow-building-blocks-for-jira/conditions-validators/linked-issues.md): Enforce dependencies, block progress when related work isn’t ready, and keep issue hierarchies aligned with real project progress.
- [Dates Compare Condition & Validator](/workflow-building-blocks-for-jira/conditions-validators/dates-compare.md): Control transitions by comparing issue dates with each other or the current date
- [Fields Required Condition & Validator](/workflow-building-blocks-for-jira/conditions-validators/fields-required.md): Fields Required Validator (Workflow Building Blocks) vs Field Required Validator (out-of-the-box)
- [Jira Expression Condition & Validator](/workflow-building-blocks-for-jira/conditions-validators/jira-expression.md): Write complex Jira Expressions confidently with suggestions, syntax highlighting, and real-time validation