Parameter - Amazon CloudFormation
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Parameter

The Parameter data type.

Contents

ParameterKey

The key associated with the parameter. If you don't specify a key and value for a particular parameter, Amazon CloudFormation uses the default value that's specified in your template.

Type: String

Required: No

ParameterValue

The input value associated with the parameter.

Type: String

Required: No

ResolvedValue

Read-only. The value that corresponds to a SSM parameter key. This field is returned only for SSM parameter types in the template.

Type: String

Required: No

UsePreviousValue

During a stack update, use the existing parameter value that the stack is using for a given parameter key. If you specify true, do not specify a parameter value.

Type: Boolean

Required: No

See Also

For more information about using this API in one of the language-specific Amazon SDKs, see the following: