SAP ABAP Data Element SYCHAR20 (CHAR20 for SYST) is used by

• Class (17)
• Function Module (4)
• Interface (5)
• Program (1)
• Table (101)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_AUNIT_WARNING_C Method: TOO_LONG	INTERNAL:Creation service for warnings	SABP_UNIT_CORE	BASIS	SAP_BASIS
2	Class	CL_CI_CHECKVARIANT	Code Inspector: Administering Check Variants	S_CODE_INSPECTOR	BASIS	SAP_BASIS
3	Class	CL_CI_QUERY_ATTRIBUTES Method: GENERATE_PROGRAM	Code Inspector: Query Attributes	S_CODE_INSPECTOR	BASIS	SAP_BASIS
4	Class	CL_CI_TEST_HR_ITCLASS	HR: Check Infotype Classes	S_CODE_INSPECTOR	BASIS	SAP_BASIS
5	Class	CL_CI_TEST_ITAB_PERFORMANCE Method: RUN	CI: Low-Performing Operations on Internal Tables	S_CODE_INSPECTOR	BASIS	SAP_BASIS
6	Class	CL_CI_TEST_MOVE_PERFORMANCE Method: RUN	CI: Low-Performing Operations on Internal Tables	S_CODE_INSPECTOR	BASIS	SAP_BASIS
7	Class	CL_CI_TEST_SCAN_STATISTICS Method: CONSOLIDATE_FOR_DISPLAY	CI: Program Statistics	S_CODE_INSPECTOR	BASIS	SAP_BASIS
8	Class	CL_CI_TEST_SUSP_CONVERSIONS Method: RUN	CI: Low-Performing Operations on Internal Tables	S_CODE_INSPECTOR	BASIS	SAP_BASIS
9	Class	CL_PROXY_STYLESHEET_RUNTIME	Proxy Generation: Runtime Check ABAP <-> XML	SAI_PROXY_RUNTIME_STYLESHEET	BASIS	SAP_BASIS
10	Class	CL_PROXY_STYLESHEET_ST_EXT	Proxy Generation: Simple Transformation (Extended)	SAI_PROXY_RUNTIME_STYLESHEET	BASIS	SAP_BASIS
11	Class	CL_PROXY_STYLESHEET_ST_STD	Proxy Generation: Simple Transformation (standard)	SAI_PROXY_RUNTIME_STYLESHEET	BASIS	SAP_BASIS
12	Class	CL_SABP_ACC_CHECK Method: __IS_TRANSPORT_TYPE_CUSTOMER	ACC: Where-Used Check - Restricted UI Classes	S_ACC_CHECK	BASIS	SAP_BASIS
13	Class	CL_SAT_UI_DRAG_DROP_FLAVOR	*NO* Reuse: Auxiliary Class to Enable drag & drop	SABP_TOOLS_STDIO	BASIS	SAP_BASIS
14	Class	CL_SP_PS_POOL_ADMIN	Pool Management in PP61	PP08	HR	SAP_HRGXX
15	Class	CL_WM_HUMOVE_APPL_LOGIC	core logic of the service	OPS_SE_WM_XI_PROXY	EA-SCM	EA-APPL
16	Class	CL_WM_HUMOVE_SHELL	frame of the HUMOVE service	OPS_SE_WM_XI_PROXY	EA-SCM	EA-APPL
17	Class	CL_WM_HUMOVE_SHELL	frame of the HUMOVE service	OPS_SE_WM_XI_PROXY	EA-SCM	EA-APPL