add the product information into Data Layer

[fadi-aljenneyat]

Dear Support

how to add the product information into Data Layer so I can use them in google tag manager to create custom conversion for Google ADS
lets say I want to create Google ADS Custom Conversion for "Add to cart Event" that contain Product ID, Product Price and Quantity

for more information regarding DataLayer please check thie link
https://developers.google.com/tag-manager/devguide
https://developers.google.com/tag-platform/devguides/datalayer

Thanks in advance