# Fastly::HeaderResponseAdditional

## Properties

| Name | Type | Description | Notes |
| ---- | ---- | ----------- | ----- |
| **ignore_if_set** | **String** | Don't add the header if it is added already. Only applies to 'set' action. Numerical value (\"0\" = false, \"1\" = true) | [optional] |
| **priority** | **String** | Priority determines execution order. Lower numbers execute first. | [optional][default to '100'] |

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