To quickly search for a product, first you have to activate the "item search" module on the Back Office:

  1. Go to your Back office 
  2. Click on Configuration
  3. Click on Your modules
  4. Click on Order taking settings
  5. Activate the "Item search" module by clicking the red button on the left and turning it in green


Now:

  1. Go to the Tiller app
  2. Click on syncronize on the top right to refresh it 
  3. When you will open a new order, at the top of your categories there will be the search button for quick searching for a product (red circle).