{
  "description": "Variable is the definition of a variable that is used for composition.",
  "properties": {
    "expression": {
      "description": "Expression is the expression that will be evaluated as the value of the variable. The CEL expression has access to the same identifiers as the CEL expressions in Validation.",
      "type": [
        "string",
        "null"
      ]
    },
    "name": {
      "description": "Name is the name of the variable. The name must be a valid CEL identifier and unique among all variables. The variable can be accessed in other expressions through `variables` For example, if name is \"foo\", the variable will be available as `variables.foo`",
      "type": [
        "string",
        "null"
      ]
    }
  },
  "required": [
    "name",
    "expression"
  ],
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "$id": "https://kubernetes.io/api/variable/admissionregistration/v1alpha1"
}