# UnaryExpression

    protocol UnaryExpression : https://developers.home.google.com/reference/swift/GoogleHomeSDK/Protocols/IdentifiableExpression.html

Represent a unary expression with one operand.

The full expression is represented as: `operator` `operand`.
- `


  ### [operand](https://developers.home.google.com/reference/swift/GoogleHomeSDK/Protocols/UnaryExpression#/s:13GoogleHomeSDK15UnaryExpressionP7operandAA0E0_pvp)


  ` Undocumented

  #### Declaration

  Swift

      var operand: any https://developers.home.google.com/reference/swift/GoogleHomeSDK/Protocols/Expression.html { get }