| --- | |
| page_title: concat - Functions - Configuration Language | |
| description: The concat function combines two or more lists into a single list. | |
| --- | |
| # `concat` Function | |
| `concat` takes two or more lists and combines them into a single list. | |
| ## Examples | |
| ``` | |
| > concat(["a", ""], ["b", "c"]) | |
| [ | |
| "a", | |
| "", | |
| "b", | |
| "c", | |
| ] | |
| ``` |