addToBlocklist method
Adds an email or domain to the blocklist for a campaign in the Instantly
Implementation
Future<void> addToBlocklist({
required String campaignId,
required String emailOrDomain,
}) async {
await _dio.post<void>(
'/blocklist/add',
data: {
'campaign_id': campaignId,
'item': emailOrDomain, // Assuming the API expects a single item to add
},
);
}