Simulink.data.DataConnection

Data source connection

Since R2024a

Description

The Simulink.data.connect function creates a Simulink.data.DataConnection object, which represents a connection to the Design Data section of a Simulink^® data dictionary, a MAT file, a model workspace, or the base workspace. After you create a Simulink.data.DataConnection object, you can manage the data in that data source using the object functions.

Creation

Create a data connection object by using Simulink.data.connect.

Object Functions

clear	Remove specified variables from connected data source
clearAll	Remove variables from connected data source
create	Create object in connected data source
discardChanges	Discard data in memory and reload from connected data source
exist	Determine whether variable exists in connected data source
get	Read variables from connected data source
getMetadata	Get metadata for variable or connected data source
hasUnsavedChanges	Determine whether connected data source has unsaved data in memory
isConsistent	Determine whether variable definitions visible to connected data source are consistent
rename	Rename specified variables in connected data source
reportInconsistency	Report inconsistent variable definitions
saveChanges	Save data in memory to the connected data source
set	Assign variable in connected data source
show	Open and show contents of connected data source in Model Explorer
who	List variables that are in connected data source

Examples

Read Variable from Data Dictionary

Create a connection to a data dictionary myDictionary. Then read a variable from the Design Data section of the dictionary.

dd = Simulink.data.connect("myDictionary.sldd");
a = dd.x

a = 

    2

Version History

Introduced in R2024a