The Version of Terraform to use for this stack. Specify an [npm-style semver](https://docs.npmjs.com/misc/semver) string to determine which version of the Terraform container Guardrails will use to run this stack.<br /><br />A Guardrails `Stack` is a set of resources configured by Guardrails, as specified  via Terraform source.  Stacks are responsible for the creation and deletion of multiple resources. Once created, stack resources are responsible for configuring themselves from the stack source via their `Configured` control. 

AWS > VPC > Stack

The Version of Terraform to use for this stack.&#92;nSpecify an [npm-style semver](https://docs.npmjs.com/misc/semver) string to&#92;ndetermine which version of the Terraform container&#92;nGuardrails will use to run this stack.&#92;n&#92;nA Guardrails `Stack` is a set of resources configured by Guardrails,&#92;nas specified  via Terraform source.  Stacks are responsible&#92;nfor the creation and deletion of multiple resources. Once created,&#92;nstack resources are responsible for configuring themselves from&#92;nthe stack source via their `Configured` control.&#92;n

Schema Type	`string`
Default template	`{% if $.terraformVersion %}"{{$.terraformVersion}}"{% else %}""{% endif %}`
Default template input	`\| { terraformVersion: policy(uri:"tmod:@turbot/turbot#/policy/types/stackTerraformVersion") }`

Policy: AWS > VPC > Stack > Terraform Version

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