ABAP System Fields -

data syInternal system fields are intended purely for internal use in the ABAP runtime framework and in the kernel. They must never be overwritten in an ABAP program and they should not beList level of the list that is currently being created (basic list: 0, details lists: greater than 0). For every interactive list event, sy-lsind is automatically increased by an increment of 1. sy-lsind can only be changed in ABAP programs for navating