You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "query_for_ldu_boundary_by_h3index", "description": "Queries for a Local Delivery Unit (LDU) boundary by its H3 index.", "parameters": {"h3ndex": {"description": "The H3 index used to query the LDU boundary.", "type": "int", "default": "635775751926485631"}}}]
What is the LDU boundary for the H3 index 6789012345?
user
assistant
[{"name": "query_for_ldu_boundary_by_h3index", "arguments": {"h3ndex": 6789012345}}]