I had already done that. Now instead of showing the productSKU field it is showing something like the Product ID., but it is conflated with other numbers not in the Product ID. The SKU is displayed as text.
this is the code in the dynamic text:
<?php echo $eCart1->DisplayInfo("ProductSKU"); ?>
This is what displays:
4" CORRUGATED COUPLING 20/CT
the product id is 6803664 SKU is 01 C204
Not sure what is displayed.