React Native SDK

import React, { useEffect, useState } from 'react';
import { ActivityIndicator, StyleSheet, View } from 'react-native';
import { KravataWidgetComponent } from 'kravata-sdk-plugin';

interface WidgetSession {
  sharedKey: string;
  nonce: string;
  clientId: string;
}

interface Props {
  userId: string;        // your own ID for this user
  phoneNumber?: string;
  onClose: () => void;
}

export default function KravataScreen({ userId, phoneNumber, onClose }: Props) {
  const [session, setSession] = useState<WidgetSession | null>(null);

  useEffect(() => {
    // Get a widget session from YOUR backend
    myApi.getKravataWidgetSession().then(setSession);
  }, []);

  if (!session) {
    return <ActivityIndicator style={styles.container} />;
  }

  return (
    <View style={styles.container}>
      <KravataWidgetComponent
        environment="prod"               // 'test' or 'prod'
        tenant="yourTenantName"          // provided by Kravata
        countryCode="57"
        sharedKey={session.sharedKey}
        nonce={session.nonce}
        clientId={session.clientId}
        userId={userId}                  // same ID you send to User Registration
        phoneClient={phoneNumber ?? ''}
        onWidgetEvent={(event) => {
          if (event.type === 'CLOSE_REQUESTED') onClose();
        }}
      />
    </View>
  );
}

const styles = StyleSheet.create({
  container: { flex: 1 },
});

<Stack.Navigator>
  <Stack.Screen name="Home" component={HomeScreen} />
  <Stack.Screen name="Kravata" component={KravataScreen} options={{ headerShown: false }} />
</Stack.Navigator>

navigation.navigate('Kravata');