Amina Inloes, Amina Inloes is originally from the US and has a PhD in Islamic Studies from the University of Exeter on Shi'a hadith. She is the program leader for the MA Islamic Studies program at the... Answered 2 years ago
Sajda shukr is good form.
https://www.al-islam.org/ask/how-is-sajda-al-shukr-performed-are-there-a...
Giving something in charity out of thankfulness to Allah is also good form.
Of course, the most important thing is gratitude towards Allah in your heart.