# map.put · Rell standard library · Chromia Docs (concept)

> function put(key: K, value: V): unit Associate the specified value with the specified key in this map. Parameters key — the key to associate with the speci

Source: https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/root/map/put/

FUNCTION

# map.put

```signature
function put(key: K, value: V): unit
```

Associate the specified value with the specified key in this map.

**Parameters**

* **key** — the key to associate with the specified value
* **value** — the value to associate with the specified key

Since 0.6.0

[View this page on docs.chromia.com](https://docs.chromia.com/pages/rell-stdlib/-rell%20-system%20-library/%5Broot%5D/map/put.html)Generated API reference, mirrored from the live docs