The transaction fees will be deducted from the asset you are receiving.
For example, if you buy BTC, you will receive BTC and pay fees in BTC.
If you are selling BTC, you will receive IDR and pay fees in IDR.
Maker Trade: Receiving amount x 0.075%
Taker Trade: Receiving amount x 0.1%
All fees can be seen via the order history page when the order has been executed.
You can learn more about the difference between taker and maker fees in the following Pintu Academy article.