AWS SDK for .NET Documentation
TableName Property
AmazonAmazon.DynamoDB.ModelCreateTableRequestTableName Did this page help you?   Yes   No    Tell us about it...
The name of the table you want to create. Allowed characters are a-z, A-Z, 0-9, _ (underscore), - (hyphen) and . (period).

Constraints:

Length
3 - 255
Pattern
[a-zA-Z0-9_.-]+

Declaration Syntax
C#
public string TableName { get; set; }

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)