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# Onnx Backend Classification Component Example
This example demonstrates how to use the `wasi-nn` crate to run a classification using the
[ONNX Runtime](https://onnxruntime.ai/) backend from a WebAssembly component.
## Build
In this directory, run the following command to build the WebAssembly component:
```shell
cargo component build
```
In the wasmtime root directory, run the following command to build the wasmtime CLI and run the WebAssembly component:
```shell
# build wasmtime with component-model and WASI-NN with ONNX runtime support
cargo build --features component-model,wasi-nn,wasmtime-wasi-nn/onnx
# run the component with wasmtime
./target/debug/wasmtime run \
--wasm-features component-model \
--wasi-modules=experimental-wasi-nn \
--mapdir fixture::./crates/wasi-nn/examples/classification-component-onnx/fixture \
./crates/wasi-nn/examples/classification-component-onnx/target/wasm32-wasip1/debug/classification_component_onnx.wasm
```
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