code: function ( materials ) {
  		var payload = {
  			cmd: 'materialData',
  			materials: {
  				materialCloneInstructions: null,
  				serializedMaterials: null,
  				runtimeMaterials: this.validator.isValid( this.callbacks.onLoadMaterials ) ? this.callbacks.onLoadMaterials( materials ) : materials
  			}
  		};
  		this.updateMaterials( payload );
  	}
docs: Set materials loaded by any supplier of an Array of {@link THREE.Material}.
  
  @param {THREE.Material[]} materials Array of {@link THREE.Material}