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| Validator Tag Element | Description |
| <validator<validator:validatorChain xmlns:val=http://nexaweb.com/validator | Opening tag of a validator chain. |
| id=“ ” | Specifies a unique ID for this validator chain. |
| onSuccess=“ ” | Specifies the MCO or Macro to run - for example, to display a success message - upon successful completion of all of the validators in the chain. |
| onFailure=“ ” | Specifies the MCO or Marco to run - for example, to display a failed message - upon failure of any validator in the chain. |
| failFast= | Specifies whether to stop execution of the chain upon failure of any validator within the chain. Set this attribute to change from default only. Default=true. If set to false, validator chain continues to execute until all validators within the chain execute no matter the result of any single validator in the chain. |
| <validator:Validator /> or <validator<validator:validatorReference validatorReference /> | Specifies each validator or reference to a validator to include in the chain. |
| </validator:validatorChain> validatorChain> | Closing tag of a validator chain. |
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| Validator Tag Element | Description |
| <validator<validator:validatorReference xmlns:validator=“http://nexaweb.com/validator” | Opening tag of for validator reference. |
| validator=“ ” | Specifies ID of validator declared in this UI file. |