Gets a document from DynamoDB by key, using specified configs.

C# |
public Document GetItem( IDictionary<string, DynamoDBEntry> key, GetItemOperationConfig config )

- key (IDictionary<(Of <(<'String, DynamoDBEntry>)>)>)
- Key of the document.
- config (GetItemOperationConfig)
- Configuration to use.

Document from DynamoDB.