public void CreateProperty(CreatePropertyCommand createPropertyCommand, object sender, ExecutionCancelEventArgs e)
{
IEngine engine = sender as IEngine;
IDatabaseService databaseService = engine.GetService <IDatabaseService>();
ISqlService sqlService = engine.GetService <ISqlService>();
ISchemaService schemaService = engine.GetService <ISchemaService>();
//Begins a new transaction or gets the current transaction
IDbTransaction transaction = databaseService.EnsureTransaction();
string tableName = schemaService.GetTableForClass(createPropertyCommand.ClassName);
DbType dbType = databaseService.GetDbType(createPropertyCommand.Type, createPropertyCommand.StringLength);
//Create the database table with the primary key column
sqlService.CreateColumn(transaction, tableName, createPropertyCommand.ColumnName, dbType, createPropertyCommand.Nullable);
}