How do I use WebRTC to display the user's webcam in a React functional component?
You will need to use the `getUserMedia()` method, which is part of the WebRTC API. This method takes a `MediaStream` object as an argument, which can be used to access the user's webcam. Lastly you can use the stream in a React functional component by passing it to the `<video>` tag as a source. 

Here is an example:
```
navigator.mediaDevices.getUserMedia({ video: true, audio: false })
  .then(stream => {
    videoTag.srcObject = stream;
    videoTag.play();
  });
```
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:

How do I use WebRTC to display the user's webcam in a React functional component?

### Response:

You will need to use the `getUserMedia()` method, which is part of the WebRTC API. This method takes a `MediaStream` object as an argument, which can be used to access the user's webcam. Lastly you can use the stream in a React functional component by passing it to the `<video>` tag as a source. 

Here is an example:
```
navigator.mediaDevices.getUserMedia({ video: true, audio: false })
  .then(stream => {
    videoTag.srcObject = stream;
    videoTag.play();
  });
```
