Client APIs
API Reference Overview
Returns the MAP key at index as a duckdb_value.  
###### Syntax {#docs:api:c:api::syntax}  
```c
duckdb_value duckdb_get_map_key(
duckdb_value value,
idx_t index
);
```  
###### Parameters {#docs:api:c:api::parameters}  
* `value`: The MAP value.
* `index`: The index of the key.  
###### Return Value {#docs:api:c:api::return-value}  
The key as a duckdb_value.  
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