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1. Go into the Properties of the app and click the Agent Determ. button
   
   
   
   

2. Enter the name of the Matrix app, specify an App Key and click Save.
   
   
   
   

   Info

   The App Key value should be the value that is saved in the instance of the Matrix Configuration App.  As a default it can be V1 and can be increased (if necessary) as the configuration evolves over time.  To set this up, open an instance of the Matrix app, supply a value in the Key input field and click Submit.  This saves an instance of the Matrix configuration that will be used to configure the main application.

   
   

3. Implement the Determine approvers for Roles ABAP exit.
   
   

   Code Block
   linenumbers true
   METHOD determine_approvers_for_role. FIELD-SYMBOLS: <fs_approvers> LIKE LINE OF ct_approvers. DEFINE add_agent. APPEND INITIAL LINE TO ct_approvers ASSIGNING <fs_approvers>. <fs_approvers>-approval_level = i_level. <fs_approvers>-node_id = i_node. <fs_approvers>-role_id = i_role. <fs_approvers>-zinstance = i_instance. <fs_approvers>-objty = ls_agent-objty. <fs_approvers>-objid = ls_agent-objid. END-OF-DEFINITION. MOVE-CORRESPONDING CR_DATA TO GS_DATA. * Other Approvers are retrieved from Role Determination Configuration App IF io_role_determ_app_data IS SUPPLIED. IF io_role_determ_app_data IS NOT INITIAL. FIELD-SYMBOLS: <fs_fdata> TYPE any. DATA: ls_data TYPE zcl_mac_capex_matrix=>t_data. "<-Implemtation Class of Role Determination App here. T_DATA must be Public ASSIGN io_role_determ_app_data->* TO <fs_fdata>. MOVE-CORRESPONDING <fs_fdata> TO ls_data. DATA: ls_rows LIKE LINE OF ls_data-rows, ls_agent LIKE LINE OF ls_rows-sourcing. LOOP AT ls_data-rows INTO ls_rows WHERE BusinessUnit = gs_data-OperatingUnit. "where... CASE i_role. WHEN 'Sourcing'. LOOP AT ls_rows-sourcing INTO ls_agent. add_agent. ENDLOOP. WHEN 'Fin Support'. LOOP AT ls_rows-finsupport INTO ls_agent. add_agent. ENDLOOP. ENDCASE. ENDLOOP. ENDIF. ENDIF. ENDMETHOD.

   
   

4. The following changes should be made in the above code:
   1. Line 22: 
      1. DATA: ls_data TYPE zcl_mac_capex_matrix=>t_data.
      2. zcl_mac_capex_matrix should be replaced with the name of the implementation class of the Matrix app you created.
   2. Line 29:
      1. LOOP AT ls_data-rows INTO ls_rows WHERE BusinessUnit = gs_data-OperatingUnit.
      2. If you created any additional value fields (e.g. Company Code) you should create a Where clause that checks that field against the GS_DATA value.  The above sample shows that the field in the app is Operating Unit and the field in the Matrix app is BusinessUnit.
   3. Line 33:

      1. WHEN 'Sourcing'

      2. Sourcing is the name of the role as defined in the Workflow configuration.
         
         

         Info
         Ensure that the name in the string literal is spelt EXACTLY like the Role in the workflow configuration.  Typos will still compile however the code will not be able to correctly determine the approvers for the role.

         
         

   4. Line 35:
      1. LOOP AT ls_rows-sourcing INTO ls_agent.
      2. The sourcing should be changed to the Table structure in the Matrix configuration app that contains the configuration for the Sourcing role
   5. Line 35 - 37 demonstrate the configuration of one role.  You should copy this as many times as you have roles in your application.

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