void (@NotNull MavenDomProjectModel model, @NotNull String enteredName, @NotNull String selectedString) { MavenDomProperties mavenDomProperties = model.getProperties(); XmlTag xmlTag = mavenDomProperties.ensureTagExists(); XmlTag propertyTag = xmlTag.createChildTag(enteredName, xmlTag.getNamespace(), selectedString, false); xmlTag.add(propertyTag); }