terraform/website/docs/configuration/functions/map.html.md

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---
layout: "functions"
page_title: "map - Functions - Configuration Language"
sidebar_current: "docs-funcs-collection-map"
description: |-
The map function constructs a map from some given elements.
---
# `map` Function
-> **Note:** This page is about Terraform 0.12 and later. For Terraform 0.11 and
earlier, see
[0.11 Configuration Language: Interpolation Syntax](../../configuration-0-11/interpolation.html).
~> **This function is deprecated.** From Terraform v0.12, the Terraform
language has built-in syntax for creating maps using the `{` and `}`
delimiters. Use the built-in syntax instead. The `map` function will be
removed in a future version of Terraform.
`map` takes an even number of arguments and returns a map whose elements
are constructed from consecutive pairs of arguments.
## Examples
```
> map("a", "b", "c", "d")
{
"a" = "b"
"c" = "d"
}
```
Do not use the above form in Terraform v0.12 or above. Instead, use the
built-in map construction syntax, which achieves the same result:
```
> {"a" = "b", "c" = "d"}
{
"a" = "b"
"c" = "d"
}
```
## Related Functions
* [`tomap`](./tomap.html) performs a type conversion to a map type.