If you have setup an integration with an email sending tool during the onboarding process. (For example Outreach, SalesLoft or PersistIQ). Then when you create a new campaign you can connect the campaign to the sequence/cadence of choice so all the relevant info is sent automatically from ProLeads to the email sending tool.
Go and create the campaign (go to https://my.proleads.io/campaigns and click on "+New Campaign").
Then follow the steps below.