# Conventions

The core conventions delineate the contract between ColdBox and you for file/directory locations and more. Below is a table of the core conventions:

## Directory/File Conventions

* **config/Coldbox.cfc** - Your application configuration object (*optional*)
* **config/Router.cfc** - Your application URL Router (*optional*)
* **handlers** - This holds the app's controllers
* **layouts** - Your HTML layouts
* **models** - This holds your app's CFCs 
* **modules** - This holds the CommandBox tracked modules
* **modules\_app** - This holds your app's modules
* **views** - Your HTML views will go here

## Execution Conventions

| **Convention** | **Default Value**  | **Description**                                                                   |
| -------------- | ------------------ | --------------------------------------------------------------------------------- |
| Default Event  | `main.index`       | The default event to execute when no event is specified                           |
| Default Action | `index()`          | The default action to execute in an event handler controller if none is specified |
| Default Layout | `layouts/Main.cfm` | The default system layout to use                                                  |


---

# 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://coldbox.ortusbooks.com/v5.x-1/getting-started/conventions.md?ask=<question>
```

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.