AWS Data Pipeline is no longer available to new customers. Existing customers of AWS Data Pipeline can continue to use the service as normal. [Learn more](https://aws.amazon.com/blogs/big-data/migrate-workloads-from-aws-data-pipeline/)

# Preconditions
<a name="dp-object-preconditions"></a>

The following are the AWS Data Pipeline precondition objects:

**Topics**
+ [DynamoDBDataExists](dp-dynamodbdataexists.md)
+ [DynamoDBTableExists](dp-dynamodbtableexists.md)
+ [Exists](dp-object-exists.md)
+ [S3KeyExists](dp-object-S3KeyExists.md)
+ [S3PrefixNotEmpty](dp-object-s3prefixnotempty.md)
+ [ShellCommandPrecondition](dp-object-shellcommandprecondition.md)