# io.k8s.api.admissionregistration.v1.ExpressionWarning

From **Kubernetes**.

ExpressionWarning is a warning information that targets a specific expression.

- Type: `object`

## Properties

### `fieldRef`

- Required: true
- Type: `string`

fieldRef is the path to the field that refers to the expression. For example, the reference to the expression of the first item of validations is "spec.validations[0].expression"

### `warning`

- Required: true
- Type: `string`

warning contains the content of type checking information in a human-readable form. Each line of the warning contains the type that the expression is checked against, followed by the type check error from the compiler.

## JSON Schema

```json
{"description":"ExpressionWarning is a warning information that targets a specific expression.","properties":{"fieldRef":{"default":"","description":"fieldRef is the path to the field that refers to the expression. For example, the reference to the expression of the first item of validations is \"spec.validations[0].expression\"","type":"string"},"warning":{"default":"","description":"warning contains the content of type checking information in a human-readable form. Each line of the warning contains the type that the expression is checked against, followed by the type check error from the compiler.","type":"string"}},"required":["fieldRef","warning"],"type":"object"}
```