# Operation based tokens

The following are the tokens that need to be used in certain operations for them to succeed.

| Token           | Description                                                                                                                                                                                                                          |
| --------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| ValidationToken | Required for **user registration and invitation** templates to inject a token for account verification. Add "@Model.ValidationToken" to your email templates used for registration or invitation to get a validation token injected. |


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