Hi Katrice,
First you need to build a Default structure like parent key, row_key and etc for that use this code in GET_DEFINITION method.
data ls_field_descr TYPE fpmgb_s_treefield_descr,
ls_field_descr-name = 'PARENT_KEY'.
ls_field_descr-column_type = if_fpm_guibb_constants=>gc_guibb_tree_columns-parent_key.
APPEND ls_field_descr TO et_field_description.
CLEAR ls_field_descr.
ls_field_descr-name = 'ROW_KEY'.
ls_field_descr-column_type = if_fpm_guibb_constants=>gc_guibb_tree_columns-row_key.
APPEND ls_field_descr TO et_field_description.
CLEAR ls_field_descr.
ls_field_descr-name = 'TEXT'.
ls_field_descr-column_type = if_fpm_guibb_constants=>gc_guibb_tree_columns-text.
APPEND ls_field_descr TO et_field_description.
CLEAR ls_field_descr.
ls_field_descr-name = 'EXPANDED'.
ls_field_descr-column_type = if_fpm_guibb_constants=>gc_guibb_tree_columns-expanded.
APPEND ls_field_descr TO et_field_description.
CLEAR ls_field_descr.
ls_field_descr-name = 'IS_LEAF'.
ls_field_descr-column_type = if_fpm_guibb_constants=>gc_guibb_tree_columns-is_leaf.
APPEND ls_field_descr TO et_field_description.
CLEAR ls_field_descr.
ls_field_descr-name = 'CHILDREN_LOADED'.
ls_field_descr-column_type = if_fpm_guibb_constants=>gc_guibb_tree_columns-child_load.
APPEND ls_field_descr TO et_field_description.
CLEAR ls_field_descr.
ls_field_descr-name = 'IMAGE_SRC'.
ls_field_descr-column_type = if_fpm_guibb_constants=>gc_guibb_tree_columns-img_src.
APPEND ls_field_descr TO et_field_description.
also go through Package APB_FPM_TEST-----class------CL_FPMGB_TREE_TEST_SFLIGHT---this is feeder class where you'll find the table type and structure
check this table type fpmgb_t_tree_test_fcat
you need to create your own structure in which
PARENT_KEY
ROW_KEY
EXPANDED
IS_LEAF
TEXT
CHILDREN_LOADED
IMAGE_SRC
should be mandatory.
you can find some examples from the above package.
Regards
Madhukiran.
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