> For the complete documentation index, see [llms.txt](https://docs.cosmocloud.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cosmocloud.io/flow-builder/node-types/variable-nodes/arrays.md).

# Arrays

- [Append array](https://docs.cosmocloud.io/flow-builder/node-types/variable-nodes/arrays/append-array.md)
- [Contains](https://docs.cosmocloud.io/flow-builder/node-types/variable-nodes/arrays/contains.md)
- [Check array empty](https://docs.cosmocloud.io/flow-builder/node-types/variable-nodes/arrays/check-array-empty.md)
- [Extend array](https://docs.cosmocloud.io/flow-builder/node-types/variable-nodes/arrays/extend-array.md)
- [Get Array Item](https://docs.cosmocloud.io/flow-builder/node-types/variable-nodes/arrays/get-array-item.md)
- [Length of array](https://docs.cosmocloud.io/flow-builder/node-types/variable-nodes/arrays/length-of-array.md)
- [Reverse array](https://docs.cosmocloud.io/flow-builder/node-types/variable-nodes/arrays/reverse-array.md)
- [Sort array](https://docs.cosmocloud.io/flow-builder/node-types/variable-nodes/arrays/sort-array.md)