{ "consent_info_modal": { "btn": { "close": "Close" }, "text": "You have successfully consented. You can review your privacy settings and revoke consent at any time." }, "consent_modal": { "btn": { "dismiss": "Dismiss", "save": "Save" }, "checkbox": "I consent to creating content on the Epic Developer Community", "note": "By selecting the checkbox below you consent to participating in the user forums on the Epic Developer Community.", "text": "The Epic Developer Community is an open platform where users of Epic Games products can learn, share information, and gain inspiration for all of their projects.

Communicating with others on the User Forums can be a great way to ask questions and learn from the community. Please be aware that anything you post is visible by everyone accessing the Epic Developer Community, whether they're a member or not.

You may opt out of the user forums at any time. Upon opting out, all of your content will be anonymized, removing your display name and avatar. However, the thread content will still be viewable on the user forums.", "title": "Communication Consent" }, "consent_warning_modal": { "btn": { "close": "Close" }, "text": "You have not given your consent. You can review your privacy settings and provide consent at any time." }, "global": { "breadcrumbs": { "btn": { "expand": "Expand breadcrumbs" }, "context": { "community": "Community", "documentation": "Documentation" }, "developer": "Developer" }, "btn": { "add": { "link": "Add Link", "snippet": "Add Snippet", "step": "Add Step" }, "back_to": { "repository": "Back to Repository" }, "collapse": "Collapse", "collapse_all": "Collapse all", "delete": { "community_tutorial": "Delete Community Tutorial", "course": "Delete Course", "default": "Delete", "knowledge_base": "Delete Knowledge Base", "learning_path": "Delete Learning Path", "livestream": "Delete Livestream", "recommended_community_tutorial": "Delete Recommended Tutorial", "snippet": "Delete Snippet", "talks_and_demos": "Delete Talks and Demos", "tutorial": "Delete Tutorial" }, "edit": { "default": "Edit", "snippet": "Edit snippet", "title": "Edit Title" }, "expand": "Expand", "expand_all": "Expand all", "go_to": { "library": "Go to Library" }, "new": { "create": "Create new", "default": "New", "snippet": "New snippet" }, "next": "Next", "prev": "Previous", "publish": "Publish", "publishing": "Publishing", "remove": { "link": "Remove Link" }, "report": { "default": "Report" }, "save": "Save", "save_draft": "Save draft", "saving": "Saving", "search": "Filter by keyword...", "unpublish": "Unpublish", "unpublishing": "Unpublishing", "view": { "community_tutorial": "View Community Tutorial", "course": "View Course", "default": "View", "knowledge_base": "View Knowledge Base", "learning_path": "View Learning Path", "livestream": "View Livestream", "recommended_community_tutorial": "View Recommended Tutorial", "snippet": "View snippet", "talks_and_demos": "View Talks and Demos", "tutorial": "View Tutorial" } }, "data": { "all": "All", "course": "course", "items": "items", "learning_path": "learning path", "link": "link", "path": "path", "snippet": "snippet", "step": "step", "tutorial": "tutorial" }, "error": { "message": { "cant_find_any_content": "Can't find any content", "cant_load_content": "Error loading {{ content }}" } }, "form": { "confirm": { "delete": "Are you sure you want to delete this {{ component }}?" }, "error": { "cannot_be_longer_than": "Cannot be longer than", "cannot_contain_leading_or_trailing_whitespace": "cannot have leading or trailing whitespace", "characters": "characters", "is_invalid": "is invalid", "is_required": "is required", "should_contain_at_least": "Should contain at least" }, "fieldset": { "categories": "Categories", "communities": "Communities", "tags": "Tags" }, "hint": { "image_formats": "{{ formatsList }} (recommended size: {{ recommendedSize }})" }, "label": { "categories": "Categories", "category": "Category", "community": "Community", "description": "Description", "filters": "Filters", "industries": "Industries", "locale": "Locale", "name": "Name", "purpose": "Purpose", "thumbnail": "Thumbnail", "title": "Title", "type": "Type", "url": "URL" }, "message": { "error_deleting": "Error deleting {{ component }}", "error_publishing": "Error publishing {{ component }}", "error_saving": "Error saving {{ component }}", "success_deleting": "{{ component }} deleted successfully", "success_publishing": "{{ component }} published successfully", "success_saving": "{{ component }} saved successfully", "success_unpublished": "{{ component }} unpublished successfully" }, "required": "Required", "state": { "unpublished": "Unpublished" } }, "form_drop": { "change": "Change {{ label }}", "click_to_upload": "Click to upload", "drop_file": "drag & drop file", "drop_files": "drag & drop files", "file_attached": "File attached" }, "general": { "application_family": { "epic_for_indies": "Epic for Indies", "epic_games_store": "Epic Games Store", "fab": "Fab", "fortnite": "Fortnite", "metahuman": "MetaHuman", "online_services": "Online Services", "realityscan": "RealityScan", "twinmotion": "Twinmotion", "unreal_engine": "Unreal Engine" }, "category": { "animation_blueprint": "Animation Blueprint", "asset_creation": "Asset Creation", "audio": "Audio", "behavior_tree": "Behavior Tree", "blueprint": "Blueprint", "business": "Business", "c_programming": "C", "c_sharp": "C#", "character_and_animation": "Character & Animation", "cinematics_and_media": "Cinematics & Media", "command_line": "Command Line", "config": "Config", "console_output": "Console Output", "control_rig": "Control Rig", "cpp_programming": "C++", "devices": "Devices", "distribution_and_marketing": "Distribution & Marketing", "game_production": "Game Production", "getting_started_and_setup": "Getting Started & Setup", "hlsl": "HLSL", "http": "HTTP", "java": "Java", "marketing": "Marketing", "materials": "Materials", "metasounds": "Metasounds", "niagara": "Niagara", "parser": "paRSer", "pcg": "PCG", "pipeline_and_plugins": "Pipeline & Plugins", "platforms_and_builds": "Platforms & Builds", "programming_and_scripting": "Programming & Scripting", "publishing": "Publishing", "python": "Python", "rendering": "Rendering", "shell": "Shell", "swift": "Swift", "umg_blueprint": "UMG Blueprint", "umg_widget": "UMG Widget", "verse": "Verse", "world_creation": "World Creation", "world_geometry": "World Geometry", "xml": "XML" }, "industry": { "architecture": "Architecture", "film_and_tv": "Film & TV", "games": "Games", "virtual_production": "Virtual Production", "visualization": "Visualization" }, "locale": { "other": "Other" }, "sort_by": { "answer_count": "Answer count", "created_at": "Created At", "first_published_at": "Published on", "member_count": "Member count", "member_since": "Member since", "name": "Name", "post_count": "Post count", "published_at": "Published on", "relevancy": "Relevancy", "trending_rank": "Trending", "tutorial_count": "Tutorial count", "updated_at": "Updated At", "username": "Username", "views_count": "Views" }, "badge": { "title": { "community_hero": "Hero", "staff": "Staff", "partner": "Partner", "unreal_meetup_lead": "Unreal Meetup Lead", "forum_veteran": "Forum Veteran", "q_and_a_sage": "Q&A Sage", "fab_publisher": "Fab Publisher", "engine_contributor": "Engine Contributor", "rocket_beta_participant": "Rocket Beta Participant", "megagrant_recipient": "MegaGrant Recipient", "instructor": "Instructor", "snippet_guru": "Snippet Guru", "tutorial_guru": "Tutorial Guru", "uefn_alpha_participant": "UEFN Alpha Participant", "challenge_winner": "Challenge Winner", "megajam_winner": "MegaJam Winner", "founding_hero": "Founding Hero", "alumni_hero": "Alumni Hero" } } }, "learning": { "block": { "attachment": "Attachment", "code_snippet": "Code", "external_video": "External Video", "image": "Image", "link_group": "Resources", "markdown": "Markdown", "rich_text": "Rich Text", "video": "Video" }, "entity": { "community_tutorial": "Community Tutorial", "course": "Course", "knowledge_base": "Knowledge Base", "learning_path": "Learning Path", "livestream": "Livestream", "recommended_community_tutorial": "Recommended Community Tutorial", "talks_and_demos": "Talks and Demos", "tutorial": "Tutorial" }, "entity_group": { "community": "Community", "epic": "Epic Games" }, "entity_manage": { "academic_resources": "Academic Resources", "community_tutorial": "Community Tutorial", "course": "Course", "course_module": "Course Module", "knowledge_base": "Knowledge Base", "learning_path": "Learning Path", "livestream": "Livestream", "recommended_community_tutorial": "Recommended Community Tutorial", "sample_projects": "Sample Projects", "talks_and_demos": "Talks and Demos", "tutorial": "Tutorial" }, "module": "Module", "modules": "Modules" }, "nav": { "learning": "Learning", "snippets": "Snippets" }, "preposition": { "of": "of", "or": "or" }, "search": { "result": "result", "results": "results" }, "snippets": { "purpose": { "building_block": "Building Block", "experimental": "Experimental", "learning_example": "Learning Example", "tool_and_pipeline": "Tool and Pipeline" } }, "static": { "page_subtitle": { "epic_for_indies": "Epic for Indies", "epic_games_store": "For Epic Games Store & Publishing", "fab": "For Fab", "fortnite": "For Fortnite Creative & Unreal Editor for Fortnite", "metahuman": "For MetaHuman Animator & Creator", "online_services": "For Account Services & Game Services", "realityscan": "For RealityScan & RealityScan Mobile", "twinmotion": "For Twinmotion", "unreal_engine": "For Unreal Engine" } } }, "learning": { "subtitle": { "eos": "Build multiplayer experiences with Epic Online Services", "epic-for-indies": "Resources and tutorials for indie game developers", "epic-games-store": "Learn how to publish and manage your games on the Epic Games Store", "fab": "Discover and learn about assets on Fab", "fortnite": "From your first island to advanced game design, master Fortnite creative development", "metahuman": "Create stunning digital humans with MetaHuman", "online-services": "Build multiplayer experiences with Epic Online Services", "realityscan": "Capture reality with RealityScan", "twinmotion": "Create stunning visualizations with Twinmotion", "unreal-engine": "From your first steps to complete mastery of Unreal Engine, we've got you covered." }, "title": "Learn " }, "warning": { "consent": { "text": "Review your communication consent to create posts on the learning library and snippets repository", "title": "Communication Consent" } } }


Module	Engine
Header	/Engine/Source/Runtime/Engine/Public/Materials/MaterialExpression.h
Include	#include "Materials/MaterialExpression.h"

Navigation

References

Remarks