How to create a function to get an auth0 token?

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const axios = require('axios');

const getAuthToken = async () => {
  try {
    const response = await axios.post('https://YOUR_DOMAIN/oauth/token', {
      grant_type: 'client_credentials',
      client_id: 'YOUR_CLIENT_ID',
      client_secret: 'YOUR_CLIENT_SECRET',
      audience: 'YOUR_API_IDENTIFIER'
    });

    const accessToken = response.data.access_token;
    return accessToken;
  } catch (error) {
    console.error('Error fetching access token:', error);
  }
};

// Call the function to get the access token
getAuthToken().then(token => {
  console.log('Access token:', token);
});