Object private property naming convention

Reports properties that do not follow the naming conventions.

The following properties are reported:

Private properties in objects and companion objects

You can specify the required pattern in the inspection options.

Recommended naming conventions: it has to start with an underscore or an uppercase letter, use camel case.

Example:

  class Person {
    companion object {
      // property in companion object
      private val NO_NAME = Person()
    }
  }

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

ObjectPrivatePropertyName

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | Kotlin | Naming conventions

Inspection ID: ObjectPrivatePropertyName

Inspection options

Here you can find the description of settings available for the Object private property naming convention inspection, and the reference of their default values.

Pattern

Option ID:

namePattern

Default value:

_?[A-Za-z][_A-Za-z\d]*

Suppressing Inspection

You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:

//noinspection ObjectPrivatePropertyName

More detailed instructions as well as other ways and options that you have can be found in the product documentation:

IntelliJ IDEA 2025.3

Inspection Details
By default bundled with:	IntelliJ IDEA 2025.3, Qodana for JVM 2025.3,

Last modified: 03 December 2025