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ParameterConstraints

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The constraints that the administrator has put on the parameter.

Contents

AllowedPattern

A regular expression that represents the patterns that allow for String types. The pattern must match the entire parameter value provided.

Type: String

Required: No

AllowedValues

The values that the administrator has allowed for the parameter.

Type: Array of strings

Required: No

ConstraintDescription

A string that explains a constraint when the constraint is violated. For example, without a constraint description, a parameter that has an allowed pattern of [A-Za-z0-9]+ displays the following error message when the user specifies an invalid value:

Malformed input-Parameter MyParameter must match pattern [A-Za-z0-9]+

By adding a constraint description, such as must only contain letters (uppercase and lowercase) and numbers, you can display the following customized error message:

Malformed input-Parameter MyParameter must only contain uppercase and lowercase letters and numbers.

Type: String

Required: No

MaxLength

An integer value that determines the largest number of characters you want to allow for String types.

Type: String

Required: No

MaxValue

A numeric value that determines the largest numeric value you want to allow for Number types.

Type: String

Required: No

MinLength

An integer value that determines the smallest number of characters you want to allow for String types.

Type: String

Required: No

MinValue

A numeric value that determines the smallest numeric value you want to allow for Number types.

Type: String

Required: No

See Also

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

• AWS SDK for C++

• AWS SDK for Java V2

• AWS SDK for Ruby V3