pushInstallReferrer method Null safety

Future<void> pushInstallReferrer(
  1. String source,
  2. String medium,
  3. String campaign
)

This method is used to push install referrer via UTM source, medium & campaign parameters

Implementation

static Future<void> pushInstallReferrer(
    String source, String medium, String campaign) async {
  return await _channel.invokeMethod('pushInstallReferrer',
      {'source': source, 'medium': medium, 'campaign': campaign});
}