Sending Data to SAP CRM 
In this process, you send the loyalty data of POS transactions to SAP CRM via the service interface LoyaltyMembershipActivityJournalCRMBulkRequest_Out.
Prerequisites
In Customizing, you created the outbound task by choosing in the IMG 
POS Data Management 
POS Inbound Processing Tasks One-Step Processing Define Tasks 
and by copying the Profile 0001 Task Code 0018 as a template. In the Parameters for this task, also ensure that in the Control Section, the Code for Aggregation Method is 0009.
Process
Task 0018 Supply CRM Loyalty Interface is available in the standard SAP system for sending loyalty data at header level or retail line item level that is available in POS transactions to SAP CRM.
You send the relevant data aggregated by setting the aggregation method for task processing in task Customizing according to the customers' loyalty card number.
You carry out processing of the task for the relevant POS transactions depending on the task type.
Once the task has been carried out successfully, the system sets the task status for all processed POS transactions to Completed.