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Lists validation rules for an input or variable. Each validation rule is a condition and an effect that is applied if the condition holds true.

Example

action (ValidateInputs) {
  type (Search)
  description (Show how to use validate.)
  collect {
    input (integer) {
      type (Integer)
      max (One)
      min (Required)
      validate {
        if (integer == 101) {
          halt {
            dialog ("Halting because you entered 101.")
          }
        }
        if (integer == 42) {
          replan {
            dialog ("Using replan to change integer to 0, because you entered 42.")
            intent {
              goal: Integer
              value: Integer (0)
            }
          }
        }
        if (integer > 9) {
          prompt {
            dialog ("Please provide an integer smaller than 10.")
          }
        }
      }
    }
  }
  output (Result)
}

View master on GitHub

For a complete example with input validation, see the Input Validation and Error Handling sample capsule.