I can not locate" create sale invoice"

  1. medication and item are created and linked.

  2. stock entry, price list, item price are set up.

  3. patient encounter> drug prescription>medication request sumitted.

i can not locate “ create sale invoice” ( i want to know the cost of my prescription, and stock reducing … work automatically.

Hi @sothyat-cell , you can open Sales Invoice, select the patient, then click on Get Items From → Prescriptions.
There, choose the encounter that has medications, select the medicines you want to invoice, and add them.
Once added, you’ll see those medicines listed in the Items table.