SAP Knowledge Base Article - Public

3409727 - Update a node in a Custom Business Object action does not work - SAP S/4HANA Cloud


Updating a custom business object node in an action created in the Custom Business Object application using the "update" method does not work.



Reproducing the Issue

1. Accessing the Custom Business Object app

2. Creating a custom business object

3. Defining fields and key fields

4. Creating an action called "update"

5. Adding logic:

DATA ls_data TYPE yy1_CBOABC.
DATA lv_node_key TYPE yy1_kr_cboabc.
lv_node_key = CBOABC-keyfield.
DATA(lo_node) = write->get_root(
      business_object_id = 'YY1_CBOABC'
      key                = lv_node_key

lo_node->get( IMPORTING data = ls_data ).

ls_data-field1 = 'String'.

      data = ls_data

6. Notice the node field "field1" does not get changed.


This is a limitation of the framework where the instance on which a determination/action is called on cannot be modified by the determination/action logic.

 The Custom Business Object write API is intended to modify other business object instances.


The Custom Business Object application implements a workaround for modifying the determination/action instance by changing the value of the changing parameter.

For example, CBOABC-field1 = 'String'.

See Also

Code Samples to Write Data from Determinations or Actions to Custom Business Objects - SAP Help

Setting the Lifecycle Status to Purpose Completed with an Action - SAP Help


cbo, custom business object, action, update, node, s/4hana cloud, s4hc, sap s/4hana cloud, public cloud, key user extensibility , KBA , BC-SRV-APS-EXT-BO , Custom Tables and Nodes , Problem


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