| --- | |
| page_title: contains - Functions - Configuration Language | |
| description: The contains function determines whether a list or set contains a given value. | |
| --- | |
| # `contains` Function | |
| `contains` determines whether a given list or set contains a given single value | |
| as one of its elements. | |
| ```hcl | |
| contains(list, value) | |
| ``` | |
| ## Examples | |
| ``` | |
| > contains(["a", "b", "c"], "a") | |
| true | |
| > contains(["a", "b", "c"], "d") | |
| false | |
| ``` |