RuntimeMeshFunctionLibrary (Global Utility Nodes)

Node	What it does
Open FBX File Dialogue	Opens the OS file picker for .fbx files. Returns the selected path as a String.
Load Texture Data From Path	Loads raw image data from a file path into an FTextureData struct.
Create Texture 2D From Texture Data	Converts raw texture data into a transient UTexture2D usable at runtime.
Create Material Instance From Runtime Info	Creates a dynamic material instance from a base material and applies texture/color/scalar maps.
Apply Materials To Mesh Component	Bulk-applies an array of materials by index to a Mesh Component.
Make Transform / Combine Transforms	Utility helpers for building transforms in Blueprint.

FBX Import Manager (Place in Level)

Node	Category	What it does
Initialize FBX Load	Import	Set collision type, scale, axis convention, and skeletal mesh auto-detect before importing
Import FBX File	Import	Start the async import at a world location
Import FBX Animation To Actor	Import	Load an animation FBX onto an imported character actor
Import FBX Animation	Import	Load an animation FBX onto a specific USkeletalMeshNode
Import FBX Animation To Skeletal Mesh Component	Import	Load an animation FBX onto a native Skeletal Mesh Component
Get Skeletal Mesh Node From Actor	Animation	Returns USkeletalMeshNode from an FBX actor by index
Get Or Create Native Animation Controller	Animation	Returns (or creates) a URuntimeSkeletalMeshAnimationComponent for a native Skeletal Mesh Component
Get Native Animation Controller	Animation	Returns an existing native animation controller (null if none)
Toggle Bone Visualization	Animation	Show or hide bone debug draw on a Skeletal Mesh Node
Set Bone Visualization Settings	Animation	Adjust bone size, color, line thickness
Select Actor	Actor	Mark an FBX actor as selected, spawns pivot gizmo
Hover At Actor	Actor	Trigger hover feedback on an actor and component
Reset Hovered Actor	Actor	Clear hover state
Reset Actor Selection	Actor	Deselect all actors
Load Materials From Type	Library	Returns material list for a named group from the Material Library
Load Textures From Type	Library	Returns texture list for a named group from the Material Library
Save Mesh Actors	Save	Serialize all imported actors to a save slot
Load Mesh Actors	Save	Restore all actors from a save slot

FBX Mesh Actor (Spawned per Import)

Node	What it does
Get Root Nodes	Returns all top-level UMeshNode objects in the FBX scene hierarchy
Get Mesh Node From Component	Find the UMeshNode for a given Procedural Mesh Component
Get Skeletal Mesh Nodes	Returns all USkeletalMeshNode objects in this actor
Select Component	Select a mesh section by component reference
Select Component From Mesh Node	Select a mesh section by node reference
Deselect Current Components	Clear sub-component selection
Hover At Component / Reset Actor Hover	Hover highlight state management
Update Section Material	Replace material on a section by index
Update Texture Parameter	Swap a texture inside a section's dynamic material
Update Scalar Parameter	Change a float property inside a section's material
Update Vector Parameter	Change a color/vector inside a section's material

ProceduralSkeletalMeshComponent / RuntimeSkeletalMeshAnimationComponent

Node	What it does
Play Animation	Play by name, optional loop
Stop Animation	Stop and reset to rest pose
Pause Animation	Freeze at current frame
Resume Animation	Continue from paused time
Set Animation Play Rate	Speed multiplier (1.0 = normal)
Get Animation Duration	Total length in seconds for a named animation
Get Current Animation Time	Current playback position in seconds
Is Playing Animation	Returns true if playing
Get Animation Names	Returns all imported animation name strings
Has Animation	Check if an animation name exists
Get Num Animations	Count of imported animations