SAP ABAP Function Module STREE_STRUCTURE_READ_N_LEVEL (Read a structure, specifying the hierarchy levels to be read) is using

• Data Element (6)
• Table/Structure Field (19)
• Function Module (3)
• Table (16)

#	Object Type	Object Name	Object Description	Note
1	Table/Structure Field	HIER_IFACE - TREE_ID	Unique ID - 32 characters
2	Table/Structure Field	HIER_IFACE - TREE_ID	Unique ID - 32 characters	SOURCE VALUE(FILTER_ID) LIKE HIER_IFACE-TREE_ID DEFAULT SPACE
3	Table/Structure Field	HIER_IFACE - TREE_ID	Unique ID - 32 characters	SOURCE VALUE(STRUCTURE_ID) LIKE HIER_IFACE-TREE_ID
4	Table/Structure Field	HIER_IFACE - NODE_ID	Unique ID - 32 characters
5	Table/Structure Field	HIER_MESS - MSGID	Message Class
6	Table/Structure Field	HIER_TYPES - NUMC2	Two digit number	SOURCE VALUE(READ_N_LEVELS) LIKE HIER_TYPES-NUMC2
7	Table/Structure Field	HIER_TYPES - NUMC2	Two digit number
8	Table/Structure Field	HIER_TYPES - CHAR1	Single-Character Flag	SOURCE VALUE(READ_ALL_LEVELS) LIKE HIER_TYPES-CHAR1
9	Table/Structure Field	HIER_TYPES - CHAR1	Single-Character Flag	SOURCE VALUE(DISPLAY_MODE) LIKE HIER_TYPES-CHAR1 DEFAULT 'D'
10	Table/Structure Field	HIER_TYPES - CHAR1	Single-Character Flag
11	Table/Structure Field	SNODETEXT - TLEVEL	Node level	SOURCE VALUE(TOP_LEVEL) LIKE SNODETEXT-TLEVEL
12	Table/Structure Field	SNODETEXT - TLEVEL	Node level
13	Table/Structure Field	STREENODE - TLEVEL	Node level	SOURCE VALUE(TOP_LEVEL) LIKE SNODETEXT-TLEVEL
14	Table/Structure Field	STREENODE - TLEVEL	Node level
15	Table/Structure Field	TFDIR - FUNCNAME	Name of Function Module
16	Table/Structure Field	TTREE - ID	GUID for Structure
17	Table/Structure Field	TTREE - LOG_STR	Flag: Logical or Physical Structure
18	Table/Structure Field	TTREE - NODE_ID	Unique ID - 32 characters
19	Table/Structure Field	TTREETYPE - DB_TABLE	General hierarchy tool structure type table name