Returns the setup with the specified operation id.
"setups_var" is a variable referencing a Setups object. | 
        
"setups_var" is a variable referencing a Setups object. | 
        
| Type | Description | 
| Setup | Returns the specified setup or null in the case where there is no setup with the specified operation id. | 
| Name | Type | Description | 
| id | integer | The id of the operation. |