Let's say you have a requirement to send out email to all the list of email users when a document library major version is updated. In this case, design a SharePoint designer workflow for the event "when a new item is added."
Below is the SharePoint work steps to execute the same.
a. If Version ends with .0
check if the major version. all major version ends with .0
b. Then Send Email
Send email to the interested candidates.
c. Then Stop Workflow
Stop the workflow
d. Else if
e. Stop the Workflow
If its a minor version ,stop the workflow.