Solved!!
DATA: lr_entity TYPE REF TO cl_crm_bol_entity,
lr_entity_col TYPE REF TO if_bol_entity_col,
lr_qs TYPE REF TO cl_crm_bol_query_service,
ls_cmbo_prop TYPE crmt_cmic_rfolder_attr,
lv_object_type TYPE sibftypeid VALUE 'BUS2000223',
lv_guid TYPE crmt_object_guid,
lv_entity TYPE REF TO cl_crm_bol_entity,
filename TYPE string.
lr_qs = cl_crm_bol_query_service=>get_instance( cl_crm_cm_genil_comp=>gc_query_bo_link ).
BREAK-POINT.
lv_guid = current->get_property_as_string( 'OBJECT_KEY' ).
ls_cmbo_prop-instid = lv_guid.
ls_cmbo_prop-typeid = lv_object_type.
ls_cmbo_prop-catid = 'BO'. "#EC NOTEXT
* fill and fire query
lr_qs->set_properties( ls_cmbo_prop ).
lr_entity_col = lr_qs->get_query_result( ).
*get attachements collection
lr_entity ?= lr_entity_col->get_current( ).
lr_entity_col ?= lr_entity->get_related_entities( iv_relation_name = 'CMBODocumentRefRel' ).
lr_entity ?= lr_entity_col->get_first( ).
filename = lr_entity->get_property_as_string( iv_attr_name = 'KW_RELATIVE_URL') .
With this coding i can read file content of the SMIN transaction
Regards Dan