List<string> names = new List<string> { "Bob", "Fred", "Jack" };
string query = "select * from people where Name in @names";
var stuff = connection.Query<ExtractionRecord>(query, new {names});
var sql = "SELECT * FROM Invoice WHERE Kind IN @Kind;";
using (var connection = My.ConnectionFactory())
{
connection.Open();
var invoices = connection.Query<Invoice>(sql, new {Kind = new[] {InvoiceKind.StoreInvoice, InvoiceKind.WebInvoice}}).ToList();
}