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

layout	page_title	sidebar_current	description
functions	merge - Functions - Configuration Language	docs-funcs-collection-merge	The merge function takes an arbitrary number of maps and returns a single map after merging the keys from each argument.

merge Function

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

merge takes an arbitrary number of maps and returns a single map that contains a merged set of elements from all of the maps.

If more than one given map defines the same key then the one that is later in the argument sequence takes precedence.

Examples

> merge({"a"="b", "c"="d"}, {"e"="f", "c"="z"})
{
  "a" = "b"
  "c" = "z"
  "e" = "f"
}