| Siebel Loyalty Administration Guide > Siebel Loyalty Workflow, Task Flow, and Methods Reference > LOY Processing Engine Business Service > UpdateCache Method
 UpdateCache updates the Promotion in the Cache, if the engine is already initialized. Input Arguments are summarized in Table 33. 
Table 33.	Input Arguments
    |  |  |  |  
    | ObjectType | String | Type of object to update. If Program, then the loyalty program information is updated. Otherwise, promotion information is updated. |  
    | ProgramId | Row Id | Target loyalty program to update. |  
    | PromotionId | Row Id | Id of the Promotion to load. |  
 Output Arguments	None |