How to Use Elements of a Collection with the "for...end for" Loop and the "set" Keyword

Some parameters contain a set of objects — e.g., all items in an order — rather than a single value.
In your template, you can add a block for each of these kinds of objects:

@{ for item in Order.Items }
Price: ${ item.Price }
@{ end for }

In this example, item is an arbitrary name attributed to one order item so that you can use its parameters. Inside the for...end for block you can access a particular order item. In addition, this block can include an arbitrary HTML code, conditions, and even nested loops.

If the example above contains three order items, the output will be:

Price: 5
Price: 10
Price: 25

Also, you can use the "set" keyword in @{ set a = a + 1 } to add a counter.

Here are some possible use cases:

To display the total purchase value:

@{ set Total = 0 }
@{ for product in Session.GetAddedToListProducts("Cart").Take(10) }
@{ set Total = Total + product.Price }
@{ end for }

To list the product IDs separated by a comma:

@{ set Ids = "" }
@{ for product in Products.GetBySegment("PopularInStock").Take(10) }
@{ if Ids != "" }
@{ set Ids = Ids & "," }
@{ end if }
@{ set Ids = Ids & product.IDs.C1 }
@{ end for }