Validates request hash and checks if request was approved in needed interval.  
            
Namespace: CMS.BlogsAssembly: CMS.Blogs (in CMS.Blogs.dll) Version: 8.0.0.0 (8.1.5347.20411)
Parameters
- bpsi
 - Type: CMS.Blogs BlogPostSubscriptionInfo
Blog post subscription info. 
- requestHash
 - Type: 
System String
Hash parameter representing specific subscription 
- siteName
 - Type: 
System String
Site name. 
- datetime
 - Type: 
System DateTime
Date and time of request. 
Return Value
Type: OptInApprovalResultEnumSee Also