--- extends: http://vwf.example.com/node2.vwf properties: echelon: set: | if ( this.echelon !== value ) { this.echelon = value; this.echelonChanged( value ); } affiliation: set: | if ( this.affiliation !== value ) { this.affiliation = value; this.affiliationChanged( value ); } fullName: tagName: description: symbolID: set: | if ( this.symbolID !== value ) { this.symbolID = value; this.symbolIDChanged( value ); } image: methods: render: handleRender: events: imageRendered: echelonChanged: affiliationChanged: symbolIDChanged: scripts: - source: "unit.js"