> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/release-orchestration/use-release-orchestration/release-orchestration-inputs-variables/variables/variable-types.md).

# Variable Types

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[Global Variables](/release-orchestration/use-release-orchestration/release-orchestration-inputs-variables/variables/variable-types/global-variables.md)
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[Phase Variables](/release-orchestration/use-release-orchestration/release-orchestration-inputs-variables/variables/variable-types/phase-variables.md)
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[Activity Variables](/release-orchestration/use-release-orchestration/release-orchestration-inputs-variables/variables/variable-types/activity-variables.md)
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