# About
Core modules is builtin lua-modules, which you can use in your lua scripts
- log allows sending message to standard log output
- kv use for store Key/Value pairs
- chart allows create an image with a chart
- http allows send HTTP requests
- storage allows upload data to remote storage
- alert for manage alerts
- datasource allows get data from different sources
- test testing
- runtime allows you to get an information about the Balerter runtime
- api allows you get the information about request, if the script run with API call
- tls allows you get the information about domain certificates info
- meta allows you get the information about the current script (for example, prior execution time)