# Data Types
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The Amazon Augmented AI Runtime API contains several data types that various actions use. This section describes each data type in detail.

**Note**  
The order of each element in a data type structure is not guaranteed. Applications should not assume a particular order.

The following data types are supported:
+  [HumanLoopDataAttributes](API_HumanLoopDataAttributes.md) 
+  [HumanLoopInput](API_HumanLoopInput.md) 
+  [HumanLoopOutput](API_HumanLoopOutput.md) 
+  [HumanLoopSummary](API_HumanLoopSummary.md)