# login()

## Syntax

```javascript
login(account: string)
```

Login to eueno by Owallet account address. After login, the token will be saved in local storage with the name “eueno-token”. **YOU MUST LOG IN BEFORE USING ANY METHOD IN EUENO LIBRARY.**

## Parameters

<table><thead><tr><th width="109">Name</th><th width="121">Type</th><th width="102">Required</th><th>Description</th></tr></thead><tbody><tr><td>account</td><td>string</td><td>Yes</td><td>Owallet account address.</td></tr></tbody></table>

## Example

{% code lineNumbers="true" %}

```javascript
import { login} from "@eueno/lib-browser";

const onLogin = async () => {
   try {
     const account = "0xf069fF728e9fc85D81163269F3b04Ef5CF387f15";
     const response = await login(account);
     console.log("LOGIN", response);
   } catch (error) {
     console.log(error);
   }
 };

```

{% endcode %}

Response of example:

```json
 "data": {
        "account": "0xf069ff728e9fc85d81163269f3b04ef5cf387f15",
        "memo": "3506489706676224",
        "balance": 0,
        "token": "eyJhbG…8GMCQ",
        "create_at": "2022-12-26T03:16:26.903Z"
    }

```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.eueno.io/eueno-libraries/eueno-lib-browser/login.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
