Here is how you can change the count of an item during sale:
Step 1: Click on counter at the bottom of the screen
Step 2: Click on 'New Sale (+)'
Step 3: Choose the category from which you want to add an item to the counter
Step 4: Click on item which you want to add to the counter
Step 5: Choose the number of units you want add to the counter ( (+) for addition of an item and (-) to remove)
Step 6: Click on 'Go to counter'
Step 7: Click on item name on top
Step 8: Click (+) for addition of an item and (-) to remove
Step 9: Click on Update
Related articles:
How to remove an item during sale?
