How to update BOL entity property value via ABAP code

Suppose I have one product with ID I042416 which could be found in CRM WebClient UI：

I would like to change its description from "i042416" to for example "Jerry test".

Here below is the ABAP code which uses CRM BOL API to achieve.

Execute the report, specify product ID and new description to be updated:

Execute the report, product description is updated:

Double confirm in UI to see updated description as expected:

The complete code could be found below:

REPORT PROD_UPDATE_TEST.
PARAMETERS: prd_id TYPE string,
des_val1 TYPE string,
uom_val2 TYPE string,
sta_val3 TYPE string,
icg_val4 TYPE string,
not_val5 TYPE string,
dis_txt6 TYPE string.
DATA:
      lo_core               TYPE REF TO cl_crm_bol_core,
      lo_collection         TYPE REF TO if_bol_entity_col,
      lo_root_entity        TYPE REF TO cl_crm_bol_entity,
      lo_short_text         TYPE REF TO cl_crm_bol_entity,
      lo_uom                TYPE REF TO cl_crm_bol_entity,
      lo_stat               TYPE REF TO cl_crm_bol_entity,
      lo_matb               TYPE REF TO cl_crm_bol_entity,
      lo_note               TYPE REF TO cl_crm_bol_entity,
      lo_dischain           TYPE REF TO cl_crm_bol_entity,
      lo_dischaintxt        TYPE REF TO cl_crm_bol_entity.
DATA:
      lv_view_name          TYPE crmt_view_name,
      lv_query_name         TYPE crmt_ext_obj_name,
      lt_query_parameter    TYPE crmt_name_value_pair_tab,
      ls_query_parameter    LIKE LINE OF lt_query_parameter,
      lo_transaction        TYPE REF TO if_bol_transaction_context,
      lv_success            TYPE abap_bool,
      lv_changed            TYPE abap_bool,
      lv_size               TYPE I.
* get the product
lo_core = cl_crm_bol_core=>get_instance( ).
lo_core->load_component_set( 'PROD_ALL' ).
lo_transaction = lo_core->get_transaction( ).
lv_query_name = 'ProdAdvancedSearchProducts'.
ls_query_parameter-name = 'PRODUCT_ID'.
ls_query_parameter-VALUE = prd_id.
APPEND ls_query_parameter TO lt_query_parameter.
lo_collection = lo_core->query(
iv_query_name               = lv_query_name
it_query_params             = lt_query_parameter
iv_view_name                = lv_view_name ).
lv_size = lo_collection->IF_BOL_BO_COL~SIZE( ).
WRITE:/ 'Product number found:' , lv_size.
ASSERT lv_size = 1.lo_root_entity = lo_collection->get_first( ).IF des_val1 IS NOT INITIAL.
* update product description
  lo_short_text = lo_root_entity->get_related_entity( 'ProductShortText' ).  IF lo_short_text IS INITIAL.    " HANDLING
    lo_short_text = lo_root_entity->CREATE_RELATED_ENTITY( IV_RELATION_NAME = 'ProductShortText' ).
  ENDIF.
  lo_short_text->set_property( iv_attr_name = 'SHORT_TEXT' iv_value = des_val1 ).
  lo_short_text->set_property( iv_attr_name   = 'LANGU'    iv_value = sy-langu ).
ENDIF.
IF uom_val2 IS NOT INITIAL.
* update base unit
  lo_uom = lo_root_entity->get_related_entity( 'ProductUom' ).
  IF lo_uom IS INITIAL.
    " HANDLING
    lo_uom = lo_root_entity->CREATE_RELATED_ENTITY( IV_RELATION_NAME = 'ProductUom' ).  ENDIF.
  lo_uom->set_property( iv_attr_name = 'UNIT' iv_value = uom_val2 ).ENDIF.IF sta_val3 IS NOT INITIAL.
* update status
  lo_stat = lo_root_entity->get_related_entity( 'ProductStat' ).  IF lo_stat IS INITIAL.
    lo_stat = lo_root_entity->CREATE_RELATED_ENTITY( IV_RELATION_NAME = 'ProductStat' ).  ENDIF.
  lo_stat->set_property( iv_attr_name = 'STAT' iv_value = sta_val3 ).ENDIF.IF icg_val4 IS NOT INITIAL.
* update item category group
  lo_matb = lo_root_entity->get_related_entity( 'ProductMatBasic' ).  IF lo_matb IS INITIAL.
    lo_matb = lo_root_entity->CREATE_RELATED_ENTITY( IV_RELATION_NAME = 'ProductMatBasic' ).  ENDIF.
  lo_matb->set_property( iv_attr_name = 'ITEM_CAT_GROUP' iv_value = icg_val4 ).ENDIF.IF not_val5 IS NOT INITIAL.
* update notes
  lo_note = lo_root_entity->get_related_entity( 'ProductLongtext' ).  IF lo_note IS INITIAL.
    lo_note = lo_root_entity->CREATE_RELATED_ENTITY( IV_RELATION_NAME = 'ProductLongtext' ).  ENDIF.
  lo_note->set_property( iv_attr_name = 'CONC_LINES' iv_value = not_val5 ).ENDIF.IF dis_txt6 IS NOT INITIAL.
* update sales area text
  lo_dischain = lo_root_entity->get_related_entity( 'ProductDistrChain' ).  IF lo_dischain IS INITIAL.
    lo_dischain = lo_root_entity->CREATE_RELATED_ENTITY( IV_RELATION_NAME = 'ProductDistrChain' ).  ENDIF.
  lo_dischaintxt = lo_dischain->GET_RELATED_ENTITY( 'ProductDcLongtext' ).  IF lo_dischaintxt IS INITIAL.
    lo_dischaintxt = lo_dischain->CREATE_RELATED_ENTITY( IV_RELATION_NAME = 'ProductDcLongtext' ).  ENDIF.
  lo_dischaintxt->set_property( iv_attr_name = 'CONC_LINES' iv_value = dis_txt6 ).ENDIF.
* execute modification
lo_core->modify( ).
lv_changed = lo_transaction->check_save_needed( ).
CHECK lv_changed EQ abap_true.
lv_success = lo_transaction->save( ).IF lv_success = abap_true.
  lo_transaction->commit( ).
  WRITE:/ 'Product changed Successfully'.ELSE.
  lo_transaction->rollback( ).ENDIF.

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