## On this page

  

 

 # composite:composite\_field\_variable\_operator

 Last update: 31.07.2026 

**Version: 0.0.0**

## Description

Enriches the materials container with the material fields (field variable) from a CompositeDefinitions.h5. There is no output.

## Inputs

InputNameExpected type(s)Description**Pin 0**   
Requiredfield[`field`](../../core-concepts/dpf-types.md#field)**Pin 7**   
Requiredmesh[`abstract_meshed_region`](../../core-concepts/dpf-types.md#meshed-region)**Pin 22**   
Requiredmaterial\_fields`umap<string,struct dataProcessing::composite::ImportedMaterialField>`**Pin 23**   
Requiredmaterials\_container`materials_container`**Pin 102**   
Requiredcheck\_mesh\_regions[`bool`](../../core-concepts/dpf-types.md#standard-types)## Outputs

OutputNameExpected type(s)Description## Configurations

NameExpected type(s)Default valueDescription**mutex**[`bool`](../../core-concepts/dpf-types.md#standard-types)falseIf this option is set to true, the shared memory is prevented from being simultaneously accessed by multiple threads.## Scripting

**Category**: composite

**Plugin**: composite

**Scripting name**: composite\_field\_variable\_operator

**Full name**: composite.composite\_field\_variable\_operator

**Internal name**: composite::composite\_field\_variable\_operator

**License**: None

## Changelog

- Version 0.0.0: Initial release.