# Slot: ref_id




URI: [bacteria-archaea-traits:ref_id](https://w3id.org/bacteria-archaea-traitsref_id)


## Domain and Range

None ->  <sub>OPT</sub> [String](types/String.md)

## Parents


## Children


## Used by

 * [Bacteria-archaea-traits](Bacteria-archaea-traits.md)

## Other properties

|  |  |  |
| --- | --- | --- |
| **Examples:** | | Example(value='20237', description=None) |