> For the complete documentation index, see [llms.txt](https://swatplus.gitbook.io/io-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled.md).

# rout\_unit.rtu

| Field                                                              | Description                                 | Type    |
| ------------------------------------------------------------------ | ------------------------------------------- | ------- |
| id                                                                 | ID of the Routing Unit                      | integer |
| name                                                               | Name of the Routing Unit                    | string  |
| [define](/io-docs/introduction-1/routing-units/untitled/define.md) | Pointer to the Routing Unit definition file | string  |
| dlr                                                                | Delivery ratio                              |         |
| [topo](/io-docs/introduction-1/routing-units/untitled/topo.md)     | Pointer to the topography file              | string  |
| [field](/io-docs/introduction-1/routing-units/untitled/field.md)   | Pointer to the field file                   | string  |