# Nicename Resolving with NNS

Steps to start using name resolving:

1. Enable NNS resolving in config (`rpc_endpoint` must be a valid neo rpc node, see [configs](./config) for other examples):

```yaml
rpc_endpoint: http://morph-chain.frostfs.devenv:30333
resolve_order:
  - nns
```

2. Make sure your container is registered in NNS contract. If you use [frostfs-dev-env](https://git.frostfs.info/TrueCloudLab/frostfs-dev-env)
   you can check if your container (e.g. with `container-name` name) is registered in NNS:

```shell
$ curl -s --data '{"id":1,"jsonrpc":"2.0","method":"getcontractstate","params":[1]}' \
    http://morph-chain.frostfs.devenv:30333 | jq -r '.result.hash'

0x8e6c3cd4b976b28e84a3788f6ea9e2676c15d667

$ docker exec -it morph_chain neo-go \
    contract testinvokefunction \
    -r http://morph-chain.frostfs.devenv:30333 0x8e6c3cd4b976b28e84a3788f6ea9e2676c15d667 \
    resolve string:container-name.container int:16 \
    | jq -r '.stack[0].value | if type=="array" then .[0].value else . end' \
    | base64 -d && echo

7f3vvkw4iTiS5ZZbu5BQXEmJtETWbi3uUjLNaSs29xrL
```

3. Use container name instead of its `$CID`. For example:

```shell
$ curl http://localhost:8082/get_by_attribute/container-name/FileName/object-name
```