# StartSmsRegistrationRequestCampaign
## Properties
**usecase** | **String** | |
**description** | **String** | |
**message_flow** | **String** | How a recipient ends up receiving your messages (the opt-in flow). |
**sample1** | **String** | |
**sample2** | Option<**String**> | | [optional]
**help_message** | **String** | |
**optin_keywords** | **String** | |
**optin_message** | **String** | |
**optout_keywords** | **String** | |
**optout_message** | **String** | |
**help_keywords** | **String** | |
**embedded_link** | Option<**bool**> | | [optional]
**embedded_phone** | Option<**bool**> | | [optional]
**number_pool** | Option<**bool**> | | [optional]
**age_gated** | Option<**bool**> | | [optional]
**direct_lending** | Option<**bool**> | | [optional]
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