Put it in a well-aerated medium, keep the medium damp (never soggy/saturated), make sure it has bright light and is out of wind, secure the propagule so it cannot move in relationship to the pot. If you don't know what a perched water table is, you should find out and learn avoid it as it's your plants' worst enemy. If you are using a medium that's water-retentive, use a deep pot and make sure the head of your mallet cutting is situated in the pot higher than the maximum height of the perched water column.

I didn't go into any explicative detail because I have no idea how interested you might be in working toward gaining a better grasp of propagating and container growing in general.

Al