You can use this customer enhancement to activate your own function code for the processing and display transactions of the notifications:
Service,
Maintenance and
Quality notifications. You can use these function codes, for example, to call a customer-specific screen for the activity.
The function codes are in the menu under
Function/Program:

• SAPLCLM01+U14: No description
• SAPLCLM01+U15: No description
• SAPLCLM01+US5: No description
• SAPLICUA+U14: No description
• SAPLICUA+U15: No description
• SAPLICUA+U16: No description
• SAPLICUA+U17: No description
• SAPLICUA+US5: Customer data for activity
• SAPLICUA+US6: Customer data for activity
• SAPLQGN01+U14: No description
• SAPLQGN01+U15: No description
• SAPLQGN01+U16: No description
• SAPLQGN01+U17: No description
• SAPLQGN01+US5: No description
• SAPLQGN01+US6: No description
• SAPLQM00+U14: No description
• SAPLQM00+U15: No description
• SAPLQM00+U16: No description
• SAPLQM00+U17: No description
• SAPLQM00+US5: Customer data for activity
• SAPLQM00+US6: Customer data for activity
• SAPMIWO0+U14: No description
• SAPMIWO0+U15: No description
• SAPMIWO0+U16: No description
• SAPMIWO0+U17: No description
• SAPMIWO0+US5: Customer data for activity
• SAPMIWO0+US6: Customer data for activity
• EXIT_SAPLIQS0_004: Function Code "+US5/6" in Menu "Goto/Activities" in Notif. Processing
• EXIT_SAPLIQS0_009: Supply Function Codes/ Deactivate Codes: "Goto/Activity"