# Lua Scripting Language

Lua is a scripting language that is embedded in Connectors and CFS.

You can write Lua scripts to:

- Perform custom processing on documents and manipulate the information that is indexed into IDOL Server. For example, you can add, modify, or remove fields and their values.

- Call out to an external service. For example, you might want to alert a user that an event has occurred or use a service to extract additional information from a file.

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