curl --request GET \
  --url https://api.virtuoussoftware.com/api/Communication/ByCampaign/{campaignId} \
  --header 'Authorization: Bearer <token>'

{
  "list": [
    {
      "communicationId": "<integer>",
      "name": "<string>",
      "campaignId": "<integer>",
      "campaignName": "<string>",
      "channelType": "<string>",
      "communicationType": "<string>",
      "startDateTimeUtc": "<dateTime>",
      "givingGoal": "<decimal>",
      "projectId": "<integer>",
      "projectCode": "<string>",
      "projectName": "<string>",
      "createDateTimeUtc": "<dateTime>",
      "createdByUser": "<string>",
      "modifiedDateTimeUtc": "<dateTime>",
      "modifiedByUser": "<string>"
    },
    {
      "communicationId": "<integer>",
      "name": "<string>",
      "campaignId": "<integer>",
      "campaignName": "<string>",
      "channelType": "<string>",
      "communicationType": "<string>",
      "startDateTimeUtc": "<dateTime>",
      "givingGoal": "<decimal>",
      "projectId": "<integer>",
      "projectCode": "<string>",
      "projectName": "<string>",
      "createDateTimeUtc": "<dateTime>",
      "createdByUser": "<string>",
      "modifiedDateTimeUtc": "<dateTime>",
      "modifiedByUser": "<string>"
    }
  ],
  "total": "<integer>"
}