variant('api1') {
                    attribute('custom', 'c1')
                    capability('cap1')
                }
                variant('api2') {
                    attribute('custom', 'c2')
                    capability('cap1')
                }
                variant('runtime1') {
                    attribute('custom2', 'c1')
                    capability('cap2')
                }

    }
}

extensions.create('custom', SomeExtension)
custom.prop = "\${'some value 1'.substring(5)}"
assert custom.prop.get() == "value 1"

custom.prop = providers.provider { "\${'some value 2'.substring(5)}" }
assert custom.prop.get() == "value 2"

custom.prop = null
custom.prop.convention("\${'some value 3'.substring(5)}")
assert custom.prop.get() == "value 3"

            }

            task checkSystemProperty {
                def custom1 = project.providers.systemProperty('customProp1')
                def custom2 = project.providers.systemProperty('customProp2')
                doLast {
                    assert custom1.orNull == 'custom-value'
                    assert custom2.orNull == 'custom value'
                }
            }
        """

        settingsFile """

        executionRequest = cli.populateRequest(request);
        assertThat(executionRequest.getLocalRepositoryPath(), is(notNullValue()));
        assertThat(executionRequest.getLocalRepositoryPath().toString(), is("." + File.separatorChar + "custom2"));
    }

    /**
     * MNG-7032: Disable colours for {@code --version} if {@code --batch-mode} is also given.

// NotPrune: %[[custom_2:.*]] = "tfl.custom"(%arg0, %[[w:.*]]) <{custom_code = "CustomTestOp", custom_option = #tfl<const_bytes : "0x">}>

// NoSideEffect: %[[q_w:.*]] = "tfl.pseudo_qconst"() <{qtype = tensor<1024x1x1x1x!quant.uniform<i8<-127:127>:f32, 1.000000e+00>>

// CustomOp: %[[custom_2:.*]] = "tfl.custom"(%arg0, %[[w_1]], %[[w_2]], %[[b]]) <{custom_code = "CustomTestOp2", custom_option = #tfl<const_bytes : "0x">}> : (tensor<1x1x1x1xf32>, tensor<4096x1x1x1xf32>, tensor<128x1x1x1xf32>, tensor<2048x1x1x1xf32>) -> tensor<*xf32>

        - name: ISTIO_META_INTERCEPTION_MODE
          value: REDIRECT
        - name: ISTIO_META_WORKLOAD_NAME
          value: default-custom
        - name: ISTIO_META_OWNER
          value: kubernetes://apis/apps/v1/namespaces/default/deployments/default-custom
        - name: ISTIO_META_MESH_ID
          value: cluster.local
        - name: TRUST_DOMAIN
          value: cluster.local

In this case, you can return the file path directly from your *path operation* function.

## Custom response class

You can create your own custom response class, inheriting from `Response` and using it.

For example, let's say that you want to use <a href="https://github.com/ijl/orjson" class="external-link" target="_blank">`orjson`</a>, but with some custom settings not used in the included `ORJSONResponse` class.

* Decompressing gzip-compressed request bodies.
* Automatically logging all request bodies.

## Handling custom request body encodings

Let's see how to make use of a custom `Request` subclass to decompress gzip requests.

And an `APIRoute` subclass to use that custom request class.

### Create a custom `GzipRequest` class

!!! tip

The same as when using a custom CDN, the first step is to disable the automatic docs, as those use the CDN by default.

To disable them, set their URLs to `None` when creating your `FastAPI` app:

```Python hl_lines="9"
{!../../../docs_src/custom_docs_ui/tutorial002.py!}
```

### Include the custom docs for static files