Terraform splat expression

https://www.hashicorp.com/blog/hashicorp-terraform-0-12-preview-for-and-for-each

resource "aws_s3_bucket" "myexample" {
  # ...

  dynamic "website" {
    for_each = var.mywebsitevar[*]
    content {
      index_document = website.value.index_document
      error_document = website.value.error_document
    }
  }
}

See also

• Terraform, OpenTofu, Installation, Terraform AWS, Terraform GCP, Terraform commands, Terraform Cloud, Terraform Enterprise (TFE), HCL, HIL, meta-arguments, providers, modules, resource, provisioners, data sources, backends: remote backends, examples, configuration files, state files, variables, types, Terraform Registry, conditionals: depends_on, functions, Blocks, dynamic blocks, errors, Terragrunt, Terraformer, Terratest, Terraform certifications, Terraform map type, Terraform Associate, Terraform: list type, TF_VAR_, TF_LOG, Terraform provider versioning, Terraform Style Conventions, Required version, Terraform plugin, Terraform Named Values, tags, Changelog, tfsec, tflint, Operators, Expressions: for, splat, Debugging, Namespaces, Terraform Landing Zones, CDKTF, Atmos