Can someone help me with my mod please

It will have something to do with procedures put I don't know anything other than that. sorry if this does not help.

1. if i hit a mob or player with a certain sword i want them to get set on fire

Create your item (make it a sword), got to triggers (when living entity is hit with tool), then search for fire (you will find - Set entity on fire for [#] seconds), set the desired amount of time, save and test .

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