Possible enumeration values:
| Name | Value | Description | 
|---|---|---|
| AdHoc | 0 | To be sent on a non-repeating, ad-hoc basis. | 
| Daily | 1 | To be sent on a daily basis. | 
| Weekly | 2 | To be sent on a weekly basis. | 
| Monthly | 3 | To be sent on a monthly basis. | 
| Yearly | 4 | To be sent on an annual basis. |