# Data entities supported in AWS Supply Chain
<a name="data-model-asc"></a>

The following is an overview of the data entities supported in AWS Supply Chain.

**Note**  
The data entities listed in this chapter are required for Data Lake ingestion. For data entities required for each AWS Supply Chain module, see [Data entities and columns used in AWS Supply Chain](data-model.md).  
For information on application datasets displayed in AWS Supply Chain Analytics, see [Application datasets used in AWS Supply Chain Analytics](application_datasets.md).

[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/aws-supply-chain/latest/userguide/data-model-asc.html)

**Note**  
All fields marked as type *timestamp* should be in ISO 8601 format.
The dataset that you ingest into AWS Supply Chain can only include the following special characters: ASCII 35 (number sign: \$1), 36 (dollar sign: \$1), 37 (percent sign: %), 45 (hyphen: -), 46 (period: .), 47 (slash: /), 94 (caret), 95 (underscore: \$1), 123 (left curly brace: \$1 ), and 125 (right curly brace: \$1).