Update README.md

README.md

@@ -19,4 +19,16 @@ configs:
 # Nexus Function Definitions
 
 This dataset reformats function specs from the [Nexusflow/Function_Call_Definitions](https://huggingface.co/datasets/Nexusflow/Function_Call_Definitions) VT_Multi subset.
-The function defitions are formatted as JSON Schema objects making them suitable for use with OpenAI compatible APIs.
+The function defitions are formatted as JSON Schema objects making them suitable for use with OpenAI compatible APIs.
+
+## Dataset Fields
+
+* `function:str` - function spec in JSON Schema syntax serialized as a string with 4-space indent.
+
+## Usage
+
+```py
+from datasets import load_dataset
+
+dataset = load_dataset("fireworks-ai/nexus_parallel_functions")
+```