• HashiCorp Developer

  • HashiCorp Cloud Platform
  • Terraform
  • Packer
  • Consul
  • Vault
  • Boundary
  • Nomad
  • Waypoint
  • Vagrant
Terraform
  • Install
  • Tutorials
    • About the Docs
    • Configuration Language
    • Terraform CLI
    • Terraform Cloud
    • Terraform Enterprise
    • CDK for Terraform
    • Provider Use
    • Plugin Development
    • Registry Publishing
    • Integration Program
  • Registry(opens in new tab)
  • Try Cloud(opens in new tab)
  • Sign up
Terraform Home

Configuration Language

Skip to main content
  • Configuration Language
  • Data Sources
    • Overview
      • alltrue
      • anytrue
      • chunklist
      • coalesce
      • coalescelist
      • compact
      • concat
      • contains
      • distinct
      • element
      • flatten
      • index
      • keys
      • length
      • list
      • lookup
      • map
      • matchkeys
      • merge
      • one
      • range
      • reverse
      • setintersection
      • setproduct
      • setsubtract
      • setunion
      • slice
      • sort
      • sum
      • transpose
      • values
      • zipmap
  • Upgrading to Terraform v1.3
  • v1.x Compatibility Promises

  • Terraform Internals

  • Resources

  • Tutorial Library
  • Certifications
  • Community Forum
    (opens in new tab)
  • Support
    (opens in new tab)
  • GitHub
    (opens in new tab)
  • Terraform Registry
    (opens in new tab)
  1. Developer
  2. Terraform
  3. Configuration Language
  4. Functions
  5. keys
  • Terraform
  • v1.2.x
  • v1.1 and earlier

ยปkeys Function

keys takes a map and returns a list containing the keys from that map.

The keys are returned in lexicographical order, ensuring that the result will be identical as long as the keys in the map don't change.

Examples

> keys({a=1, c=2, d=3})
[
  "a",
  "c",
  "d",
]

Related Functions

  • values returns a list of the values from a map.
Edit this page on GitHub

On this page

  1. keys Function
  2. Examples
  3. Related Functions
Give Feedback(opens in new tab)
  • Certifications
  • System Status
  • Terms of Use
  • Security
  • Privacy
  • Trademark Policy
  • Trade Controls
  • Give Feedback(opens in new tab)