SpellVisualEvent.db2 and DissolveEffect.db2

Hello everyone. Blizzard add new SpellVisualEvent.db2. How opcodes needed for handler this table in core?
About DissolveEffect.db2. How handlers in core on current state?

I found structure for DissolveEffect.db2.

Tell me please, what opcode need for Play effect from this table?

https://github.com/WowDevTools/WDBXEditor/blob/dev/WDBXEditor/Definitions/Legion 7.3.5 (26654).xml#L1320

Also, fonded structure for DecalProperties.db2

https://github.com/WowDevTools/WDBXEditor/blob/dev/WDBXEditor/Definitions/Legion 7.3.5 (26654).xml#L1240