# BNNSGraphGetFunctionNames(_:_:_:) Extracts the names of callable functions in the graph. ``` func BNNSGraphGetFunctionNames(_ graph: bnns_graph_t, _ function_name_count: Int, _ function_names: UnsafeMutablePointer?>) -> Int32 ``` ## Parameters `graph` The compiled graph object. `function_name_count` The number of elements in the `function_names` array. `function_names` On output, an array of pointers to strings that contain the function names. ## Return Value `0` on success, nonzero on failure. ## Discussion --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)