Function useParticipant

useParticipant(userId: string): Participant | undefined
Access a single participant by user ID.

Returns the participant object for the given user ID, or undefined if no participant with that ID exists in the room.
Parameters
- userId: string
  The user ID of the participant to retrieve
Returns Participant | undefined
The participant object, or undefined if not found
Example
```
import { useParticipant } from '@hiyve/rn-react';

function ParticipantName({ userId }: { userId: string }) {
  const participant = useParticipant(userId);
  if (!participant) return null;
  return <Text>{participant.displayName}</Text>;
}
```
- Defined in rn-react/src/hooks/useParticipants.ts:77