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HashiCorp Certified: Terraform Associate Terraform Associate (004) · Domain 4: Terraform configuration

Input variables: `type`, `default`, `description`, `sensitive`, `nullable`, and value precedence (TF_VAR_, tfvars, auto.tfvars, -var)

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Last reviewed September 25, 2026 · Leer en español

Input variables are a module's parameters. They let the same code serve different environments, regions or teams without editing it. You declare each one with a variable block and refer to it as var.NAME.

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