StartSimulation3DMessageWriter

Constructs a message writer object in the Unreal Editor

Since R2025a

Syntax

MessageWriter = StartSimulation3DMessageWriter(topicName, maxDataSize)

Description

Add-On Required: This feature requires the Simulink 3D Animation Interface for Unreal Engine Projects add-on.

MessageWriter = StartSimulation3DMessageWriter(topicName, maxDataSize) constructs a message writer object in the Unreal^® Editor.

The C++ syntax is

void *StartSimulation3DMessageWriter(const char* topicName, uint32 maxDataSize);

Input Arguments

topicName — Simulink^® signal topic name

mySignal

Name of the Simulink signal with the message topic.

Data Types: char *

maxDataSize — Maximum size of data

number of bytes | scalar

Maximum size of the data, in bytes.

Data Types: uint32

Output Arguments

MessageWriter — Pointer to message writer object

object pointer

Pointer to message writer object, WriteSimulation3DMessage.

Data Types: void *

Version History

Introduced in R2025a