[Home](./index.md) > [@firebase/database](./database.md) > [Database](./database.database.md) > [ref](./database.database.ref.md) ## Database.ref() method Signature: ```typescript ref(path?: string | Reference): Reference; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | path | string \| [Reference](./database.reference.md) | | Returns: [Reference](./database.reference.md)