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1. REST Web Service
1.1. URL
With patch 2.171.5: https://<my-domain-name>.my.salesforce.com/services/apexrest/ADvendio/ADvendio__Campaign_Item__c/DoCalculations
Starting in version 2.173: https://<my-domain-name>.my.salesforce.com/services/apexrest/ADvendio/ADvendio__Campaign_Item__c/PackageService/
1.2. Method
With patch 2.171.5: POST
Stating in version 2.173: PATCH
1.3. URL Params
None
1.4. Data Params
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