# Init Function Syntax If defined, *init* function is called right after the script is loaded from SD card and begins execution. Init is called only once before the run function is called for the first time. ```lua local function () -- code here runs only once when the model is loaded end ``` * **Input Parameters:** none * **Return values:** none --- # 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://luadoc.edgetx.org/lua-api-programming/init-function-syntax.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.