sparks effect

Hello i am using the wad called"sparks" located in the elemental effects section but i dont know use it or activate it please help me

First: are you using it with a ZDoom-compatible map format? ("Vanilla" map formats don't allow for extensibility.)

Second: Have you assigned map editor numbers to the spark spawners? If not, then they won't appear in the list of actors you can drop into a map.

Third: Once you've met the first and second criteria, since the spark spawners don't have a special category set, they'll appear in a generic unsorted category (called "Decorate" if using Doom Builder) for actors that don't have a category set.

Lastly, when dropping them into a map, you'll need to remember to set arguments ("args") in order to further control their behavior. There's a text file called "DOCUMENT" in the WAD which describes how to do this.