Once the node template is running locally, you can connect it with **Polkadot-JS Apps** front-end
to interact with your chain. [Click here](https://polkadot.js.org/apps/#/explorer?rpc=ws://localhost:9944) connecting the Apps to your local node template.
CAUTION: In order for **Polkadot-JS Apps** to be able to fully understand the interface exposed by the node, you must import the types defined in the file `types-bundle/types_definition.json`: