How to log Timebeat metrics to an elasticsearch database

Default elasticsearch output config:

# ---------------------------- Elasticsearch Output ----------------------------
output.elasticsearch:
  # Boolean flag to enable or disable the output module.
  # enabled: true

  # Array of hosts to connect to.
  # Scheme and port can be left out and will be set to the default (http and 9200)
  # In case you specify and additional path, the scheme is required: http://localhost:9200/path
  # IPv6 addresses should always be defined as: https://[2001:db8::1]:9200
  hosts: ["localhost:9200"]

  # Set gzip compression level.
  #compression_level: 0

  # Configure escaping HTML symbols in strings.
  #escape_html: false

  # Protocol - either `http` (default) or `https`.
  #protocol: "https"

  # Authentication credentials - either API key or username/password.
  #api_key: "id:api_key"
  #username: "elastic"
  #password: "changeme"

To log data to elasticsearch modify the following config lines:

# ---------------------------- Elasticsearch Output ----------------------------
output.elasticsearch:
  # Boolean flag to enable or disable the output module.
  enabled: true

  # Array of hosts to connect to.
  # Scheme and port can be left out and will be set to the default (http and 9200)
  # In case you specify and additional path, the scheme is required: http://localhost:9200/path
  # IPv6 addresses should always be defined as: https://[2001:db8::1]:9200
  hosts: ["<insert IP address of elasticsearch>:9200"]

How to configure Timebeat to log data to an elasticsearch database