ContributionsMost RecentMost LikesSolutionsIF Field 1 is blank, used field 2, if field 2 is blank, use field 3, **If field 1, field 2, field 3 are all blank, enter blank value/nullSalesforce formula for IF Field 1 is blank, used field 2, if field 2 is blank, use field 3, **If field 1, field 2, field 3 are all blank, enter blank value/null