class documentation
        
        class CheckoutStateInput(BaseModel):
Undocumented
| Class Variable | billing | 
    Undocumented | 
| Class Variable | customer | 
    Undocumented | 
| Class Variable | plan | 
    Undocumented | 
| Class Variable | product | 
    Undocumented | 
| Class Variable | resource | 
    Undocumented | 
              Inherited from BaseModel:
            
| Class Variable | model | 
    Undocumented |