A, SE37 see REUSE_ALV_COMMENTARY_WRITE function
Second, look at the import
Third, we click SLIS_T_LISTHEADER, look at the type
Fourth, let's look at this info is 60 characters in length.
Fifth, click mode, enter the function name
Sixth, after clicking, it will automatically generate code
Seven, we add relevant text title
Eight, the effect is very perfect run