getDriverCapabilitiesJson method
Returns driver capabilities payload as JSON, or null on failure.
Implementation
Future<String?> getDriverCapabilitiesJson(String connectionString) async {
final r = await _sendRequest<AuditPayloadResponse>(
GetDriverCapabilitiesRequest(_nextRequestId(), connectionString),
);
if (r.error != null) {
return null;
}
return r.payload;
}