SAP ABAP Class CL_AXT_FIELD_EXTENSION (Field extension handler) is using

• Class (231)
• Data Element (36)
• Table/Structure Field (171)
• Function Module (4)
• Interface (48)
• Message Class (8)
• Message Number (8)
• Class Method (173)
• Table (60)
• View (2)

#	Object Type	Object Name	Object Description	Note
1	View	DD04V	DD: Header and Short Text for Data Elements
2	View	DD07V	View on fixed values and domain texts