Reality 4.26 Reality Editor Guide Reality Custom Material Nodes Current: Defining the Variables in Material Definition Defining the Variables in Material Definition Creating Material Definition AssetClick ADD NEW button.Hover mouse cursor on Reality then select "MaterialDefinition".Select MaterialDefiniton class. Node and Category NameOpen your MaterialDefinition asset.Node name is defining your nodes name and the Category name is defining your nodes location in the Reality Setup.ParametersClick add button and then choose the variables type that you have declared in the material editor. The PARAMETER NAME has to same with parameter name of material nodes. ×