Method addProperty

ui/src/components/MappingEditor/MappingList.js:212–216

(id, propName, value)

  }

  addProperty(id, propName, value) {
    const mapping = this.getMapping(id);
    mapping.properties[propName] = value;
    return this;
  }

  removeProperty(id, propName) {
    const mapping = this.getMapping(id);