how to execute stored procedure in dapper code example

Example 1: how to use stored procedure in dapper

var sql = "exec [Sales by Year] @Beginning_Date, @Ending_Date"

Example 2: c# dapper execute stored procedure with parameters

public void GetSomething(int somethingId)
{
    IRepository<Something, SomethingEnum> repository = UnitOfWork.GetRepository<Something, SomethingEnum>();

    var param = new DynamicParameters();
    param.Add("@somethingId", dbType: DbType.Int32, value:somethingId, direction: ParameterDirection.Input);

    var result = repository.Exec<Something>(SomethingEnum.spMyStoredProcedure, param);

    ...

}