Scenario:
Manager is doing first document (own or for one of subordinate), push Button "Send KPI for Subordinate" and system will do it.
1. Create implementation for BADI HRHAP00_LINK. It is a link for new Web Dynpro Application with logic
2. Add this implementation to Category and layout of template
3. In method SHOW_LINK_GET_URL build URL for new WDA application and pass HAP ID as an URL paramether.
4. IN WDA application read HAP ID, read document with FM HRHAP_DOCUMENT_GET_DETAIL.
5. Find all suborinate
6. Find HAP documents for subordinates with FM HRHAP_DOCUMENT_GET_LIST
7. Enhance them with FM HRHAP_DOC_BODY_ENHANCE (Copy elements)
8. Save them HRHAP_DOC_UPDATE_BODY_AND_SAVE
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