github.com/hugorut/terraform@v1.1.3/website/docs/language/functions/contains.mdx (about)

     1  ---
     2  page_title: contains - Functions - Configuration Language
     3  description: The contains function determines whether a list or set contains a given value.
     4  ---
     5  
     6  # `contains` Function
     7  
     8  `contains` determines whether a given list or set contains a given single value
     9  as one of its elements.
    10  
    11  ```hcl
    12  contains(list, value)
    13  ```
    14  
    15  ## Examples
    16  
    17  ```
    18  > contains(["a", "b", "c"], "a")
    19  true
    20  > contains(["a", "b", "c"], "d")
    21  false
    22  ```