API reference

The complete surface: 717 Unreal Engine endpoints and 364 MifBlender operations, generated from the live registry (self_audit and describe_endpoint for Unreal, the addon’s operation tables for Blender). A name that does not exist cannot appear here, and each parameter list is the vocabulary that endpoint enforces.

42 matching entriespress / to search

add_sublevel

Unreal EngineStreaming

7 parameters and request shape

Name	Type	Required
path	string	optional
packagePath	string	optional
level	string	optional
streamingClass	string	optional
class	string	optional
location	string	optional
rotation	string	optional

POST /api/add_sublevel
{ ... }

apply_gameplay_effect

Unreal EngineGASundoable

4 parameters and request shape

Name	Type	Required
actor	string	optional
effect	string	optional
level	string	optional
setByCaller	string	optional

POST /api/apply_gameplay_effect
{ ... }

apply_level_snapshot

Unreal EngineLevelSnapshotsundoable

5 parameters and request shape

Name	Type	Required
path	string	optional
assetPath	string	optional
dryRun	string	optional
previewTtlSeconds	string	optional
previewId	string	optional

POST /api/apply_level_snapshot
{ ... }

attach_actor

Unreal EngineLevelundoable

5 parameters and request shape

Name	Type	Required
child	string	optional
parent	string	optional
parentComponent	string	optional
socket	string	optional
keepWorldTransform	string	optional

POST /api/attach_actor
{ ... }

break_level_instance

Unreal EngineStreamingundoable

5 parameters and request shape

Name	Type	Required
actorPath	string	optional
actor	string	optional
path	string	optional
levels	string	optional
confirm	string	optional

POST /api/break_level_instance
{ ... }

create_level_snapshot

Unreal EngineLevelSnapshotsundoable

4 parameters and request shape

Name	Type	Required
path	string	optional
assetPath	string	optional
name	string	optional
description	string	optional

POST /api/create_level_snapshot
{ ... }

create_level_variant_sets

Unreal EngineVariantSetsundoable

3 parameters and request shape

Name	Type	Required
path	string	optional
sets	string	optional
placeActor	string	optional

POST /api/create_level_variant_sets
{ ... }

delete_level_actor

Unreal EngineLevelundoable

4 parameters and request shape

Name	Type	Required
actorPath	string	optional
actor	string	optional
path	string	optional
confirm	string	optional

POST /api/delete_level_actor
{ ... }

describe_level_sequence

Unreal EngineSequencerundoable

5 parameters and request shape

Name	Type	Required
path	string	optional
assetPath	string	optional
objectPath	string	optional
sequencePath	string	optional
cutsUnder	string	optional

POST /api/describe_level_sequence
{ ... }

describe_level_snapshot

Unreal EngineLevelSnapshotsundoable

2 parameters and request shape

Name	Type	Required
path	string	optional
assetPath	string	optional

POST /api/describe_level_snapshot
{ ... }

detach_actor

Unreal EngineLevelundoable

4 parameters and request shape

Name	Type	Required
actorPath	string	optional
actor	string	optional
path	string	optional
keepWorldTransform	string	optional

POST /api/detach_actor
{ ... }

edit_level_instance

Unreal EngineStreamingundoable

5 parameters and request shape

Name	Type	Required
actorPath	string	optional
actor	string	optional
path	string	optional
action	string	optional
discardEdits	string	optional

POST /api/edit_level_instance
{ ... }

export_asset

Unreal EngineExportread-only

21 parameters and request shape

Name	Type	Required
asset	string	optional
path	string	optional
assetPath	string	optional
objectPath	string	optional
file	string	optional
filename	string	optional
outPath	string	optional
format	string	optional
type	string	optional
extension	string	optional
overwrite	string	optional
replaceExisting	string	optional
fbxCompatibility	string	optional
ascii	string	optional
vertexColor	string	optional
levelOfDetail	string	optional
lod	string	optional
collision	string	optional
exportSourceMesh	string	optional
forceFrontXAxis	string	optional
exportMorphTargets	string	optional

POST /api/export_asset
{ ... }

get_level_actor

Unreal EngineLevelread-only

3 parameters and request shape

Name	Type	Required
actorPath	string	optional
actor	string	optional
path	string	optional

POST /api/get_level_actor
{ ... }

get_level_blueprint

Unreal EngineStreamingundoable

3 parameters and request shape

Name	Type	Required
level	string	optional
sublevel	string	optional
create	string	optional

POST /api/get_level_blueprint
{ ... }

group_actors

Unreal EngineLevelundoable

6 parameters and request shape

Name	Type	Required
actorPaths	string	optional
actors	string	optional
enableGrouping	string	optional
dryRun	string	optional
previewId	string	optional
previewTtlSeconds	string	optional

POST /api/group_actors
{ ... }

list_level_actors

Unreal EngineLevelread-only

11 parameters and request shape

Name	Type	Required
classFilter	string	optional
nameContains	string	optional
nameExcludes	string	optional
folder	string	optional
folderExcludes	string	optional
selectedOnly	string	optional
limit	string	optional
includeMesh	string	optional
includeMobility	string	optional
includeBounds	string	optional
includeLevel	string	optional

POST /api/list_level_actors
{ ... }

list_level_instances

Unreal EngineStreamingundoable

2 parameters and request shape

Name	Type	Required
includeActors	string	optional
limit	string	optional

POST /api/list_level_instances
{ ... }

list_level_sequences

Unreal EngineSequencerundoable

4 parameters and request shape

Name	Type	Required
filter	string	optional
search	string	optional
name	string	optional
limit	string	optional

POST /api/list_level_sequences
{ ... }

list_live_widgets

Unreal EngineLiveWidgetsundoable

4 parameters and request shape

Name	Type	Required
netMode	string	optional
topLevelOnly	string	optional
classFilter	string	optional
allClients	string	optional

POST /api/list_live_widgets
{ ... }

list_sublevels

Unreal EngineStreamingread-only

5 parameters and request shape

Name	Type	Required
world	string	optional
netMode	string	optional
structure	string	optional
disciplines	string	optional
top	string	optional

POST /api/list_sublevels
{ ... }

load_level

Unreal EngineWorld

4 parameters and request shape

Name	Type	Required
path	string	optional
packagePath	string	optional
assetPath	string	optional
discardUnsaved	string	optional

POST /api/load_level
{ ... }

material_usage_report

Unreal EngineMaterialUsageundoable

3 parameters and request shape

Name	Type	Required
level	string	optional
assets	string	optional
limit	string	optional

POST /api/material_usage_report
{ ... }

move_actors_to_level

Unreal EngineStreamingundoable

9 parameters and request shape

Name	Type	Required
actorPaths	string	optional
actors	string	optional
level	string	optional
sublevel	string	optional
allOrFail	string	optional
confirm	string	optional
dryRun	string	optional
previewId	string	optional
previewTtlSeconds	string	optional

POST /api/move_actors_to_level
{ ... }

new_level

Unreal EngineWorld

2 parameters and request shape

Name	Type	Required
partitioned	string	optional
discardUnsaved	string	optional

POST /api/new_level
{ ... }

pack_level_actor

Unreal EngineWorld

9 parameters and request shape

Name	Type	Required
actorPaths	string	optional
level	string	optional
levelPath	string	optional
blueprintPath	string	optional
pivot	string	optional
replace	string	optional
label	string	optional
packed	string	optional
externalActors	string	optional

POST /api/pack_level_actor
{ ... }

pie_load_level_instance

Unreal EngineStreaming

9 parameters and request shape

Name	Type	Required
path	string	optional
packagePath	string	optional
level	string	optional
location	string	optional
rotation	string	optional
visible	string	optional
netMode	string	optional
nameOverride	string	optional
tempPackage	string	optional

POST /api/pie_load_level_instance
{ ... }

pie_unload_level_instance

Unreal EngineStreaming

7 parameters and request shape

Name	Type	Required
instanceName	string	optional
name	string	optional
path	string	optional
packagePath	string	optional
level	string	optional
objectPath	string	optional
netMode	string	optional

POST /api/pie_unload_level_instance
{ ... }

remove_sublevel

Unreal EngineStreaming

4 parameters and request shape

Name	Type	Required
path	string	optional
packagePath	string	optional
level	string	optional
discardUnsaved	string	optional

POST /api/remove_sublevel
{ ... }

save_level_as

Unreal EngineWorld

4 parameters and request shape

Name	Type	Required
path	string	optional
packagePath	string	optional
assetPath	string	optional
overwrite	string	optional

POST /api/save_level_as
{ ... }

scaffold_level

Unreal EngineWorld

3 parameters and request shape

Name	Type	Required
path	string	optional
disciplines	string	optional
prefix	string	optional

POST /api/scaffold_level
{ ... }

select_level_actors

Unreal EngineLevelundoable

2 parameters and request shape

Name	Type	Required
actorPaths	string	optional
clear	string	optional

POST /api/select_level_actors
{ ... }

set_actor_label

Unreal EngineLevelundoable

5 parameters and request shape

Name	Type	Required
actorPath	string	optional
actor	string	optional
path	string	optional
label	string	optional
folder	string	optional

POST /api/set_actor_label
{ ... }

set_actor_transform

Unreal EngineLevelundoable

12 parameters and request shape

Name	Type	Required
actorPath	string	optional
actor	string	optional
path	string	optional
location	string	optional
rotation	string	optional
scale	string	optional
relative	string	optional
frame	string	optional
frameSocket	string	optional
turn	string	optional
dryRun	string	optional
checkPenetration	string	optional

POST /api/set_actor_transform
{ ... }

set_current_sublevel

Unreal EngineStreaming

3 parameters and request shape

Name	Type	Required
path	string	optional
packagePath	string	optional
level	string	optional

POST /api/set_current_sublevel
{ ... }

set_level_instance_loaded

Unreal EngineStreamingundoable

4 parameters and request shape

Name	Type	Required
actorPath	string	optional
actor	string	optional
path	string	optional
loaded	string	optional

POST /api/set_level_instance_loaded
{ ... }

set_nanite_settings

Unreal EngineCollisionundoable

27 parameters and request shape

Name	Type	Required
path	string	optional
assetPath	string	optional
mesh	string	optional
enabled	string	optional
preserveArea	string	optional
shapePreservation	string	optional
explicitTangents	string	optional
lerpUVs	string	optional
separable	string	optional
voxelNDF	string	optional
voxelOpacity	string	optional
positionPrecision	string	optional
normalPrecision	string	optional
tangentPrecision	string	optional
boneWeightPrecision	string	optional
targetMinimumResidencyInKB	string	optional
keepPercentTriangles	string	optional
trimRelativeError	string	optional
generateFallback	string	optional
fallbackTarget	string	optional
fallbackPercentTriangles	string	optional
fallbackRelativeError	string	optional
maxEdgeLengthFactor	string	optional
numRays	string	optional
voxelLevel	string	optional
rayBackUp	string	optional
displacementUVChannel	string	optional

POST /api/set_nanite_settings
{ ... }

set_sublevel_streaming

Unreal EngineStreaming

5 parameters and request shape

Name	Type	Required
path	string	optional
packagePath	string	optional
level	string	optional
streamingClass	string	optional
class	string	optional

POST /api/set_sublevel_streaming
{ ... }

set_sublevel_visibility

Unreal EngineStreaming

8 parameters and request shape

Name	Type	Required
path	string	optional
packagePath	string	optional
level	string	optional
visible	string	optional
editorVisible	string	optional
shouldBeLoaded	string	optional
shouldBeVisible	string	optional
lightingScenario	string	optional

POST /api/set_sublevel_visibility
{ ... }

spawn_actor_in_level

Unreal EngineLevelundoable

10 parameters and request shape

Name	Type	Required
actorClass	string	optional
class	string	optional
location	string	optional
rotation	string	optional
scale	string	optional
mesh	string	optional
staticMesh	string	optional
label	string	optional
folder	string	optional
allowNotPlaceable	string	optional

POST /api/spawn_actor_in_level
{ ... }

switch_level_variant

Unreal EngineVariantSetsundoable

3 parameters and request shape

Name	Type	Required
actor	string	optional
set	string	optional
variant	string	optional

POST /api/switch_level_variant
{ ... }

ungroup_actors

Unreal EngineLevelundoable

6 parameters and request shape

Name	Type	Required
actorPaths	string	optional
actors	string	optional
group	string	optional
dryRun	string	optional
previewId	string	optional
previewTtlSeconds	string	optional

POST /api/ungroup_actors
{ ... }