Houdini explosion effect to Unreal Engine

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hi , im new on both houdini and unreal so i watched a video about making explosion effect in houdini and export it for unreal .
but there left a low questions and i am asking on of the biggest issue about workflow : what should i pick when i select item for “export node” inside of vertex animation node in houdini , forexample , whole geometry or just shpere which inside of geo list (base mesh) or pyro node or import node one . i can explain it if u dont understand sorry for my english

and the second question is : which node to which panel . when i copy fluid codes before export and paste it into unreal engine material page , it creates those notes and i dont know what settings should be . customUv one that i am asking to where " i am asking because my expllosion isnt working inside of unreal engine.

https://media.discordapp.net/attachments/520752875647795210/578391347090685981/unknown.png?width=914&height=514 [media.discordapp.net]

and if u want to say what should be material domain and blend mode is
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Hi!
1- you must export the last node (NULL node for example)of the geometry (where you transform the particles in meshes).
2- In Unreal if you click the material node (in your image with name: constant)in its details (on the left of your image) you can find the parameter called “num_custom_uvs” and you must set it to 3.
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thanks for reply !

2- done , thanks so much

1- its a long story so i catched images i hope u can understand why it is not working

first of all i selected null but when i select null it says “Can't detect import type. No mesh is found or animation track.” in unreal engine4 message logs.

a - https://media.discordapp.net/attachments/520752875647795210/578512146128699404/unknown.png?width=914&height=514 [media.discordapp.net]
b - https://media.discordapp.net/attachments/520752875647795210/578513784868569089/unknown.png?width=914&height=514 [media.discordapp.net]

but when i choose file cache , at pyro_import list , it finds a mesh and import it into ue4 but its not working too , no any animate or something else.

a - https://media.discordapp.net/attachments/520752875647795210/578514776767070209/unknown.png?width=914&height=514 [media.discordapp.net]
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Maybe you can try watching this video.
https://vimeo.com/207832662 [vimeo.com]
Edited by Mary537 - May 16, 2019 08:13:57
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wasn't clear but i will try another things . thanks !
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