It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import at the very top of the file.

ZenScript
 Copy
import crafttweaker.api.item.armortrim.TrimMaterial;

TrimMaterial extends Record. That means all methods available in Record are also available in TrimMaterial

Name	Type	Has Getter	Has Setter
Name assetName	Type string	Has Getter true	Has Setter false
Name commandString	Type string	Has Getter true	Has Setter false
Name description	Type Component	Has Getter true	Has Setter false
Name ingredient	Type ItemDefinition	Has Getter true	Has Setter false
Name itemModelIndex	Type float	Has Getter true	Has Setter false
Name overrideArmorMaterials	Type string[ArmorMaterial]	Has Getter true	Has Setter false