On the Botstore platform you can share direct links to the product in your store with users. To get a link to the product:

1. Go to the control panel → Catalog → Products.

2. Click on the three dots in the last right column.

Choose the second option

The link to the product looks like this: https://t.me/MyyyyyBot_bot?start=product_90lh 

And if you want to share a link in the bot, for example, in the newsletter, enter it as a command: /product_90lh