# Metatables TFS uses lua as the scripting language. Lua contains a unique data type known as a "metatable". These metatables are lua's representation of Object Orientated Programming. Here we can find all the methods for the predefined "Objects" sent to lua. --- # 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.otland.net/ots-guide/tfs-documentation/metatables.md?ask= ``` 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.