layout	page_title	sidebar_current	description
language	index - Functions - Configuration Language	docs-funcs-collection-index	The index function finds the element index for a given value in a list.

`index` Function

-> Note: This page is about Terraform 0.12 and later. For Terraform 0.11 and earlier, see 0.11 Configuration Language: Interpolation Syntax.

index finds the element index for a given value in a list.

index(list, value)

The returned index is zero-based. This function produces an error if the given value is not present in the list.

Examples

> index(["a", "b", "c"], "b")
1