The SendCampaignToContact method can be used to send a campaign from your dotMailer account to a specific contact.
If you need to send to multiple contacts, we suggest you use SendCampaignToAddressBooksWithProgress.
||This is the username from your API key. It is in the format of an email address and will look similar to apiuser‑email@example.com
||This is the password from your API key.
||The ID number of the campaign you wish to send.
||The ID of the contact you want to send the campaign to.
||The date and time you wish the campaign to be sent (server time).