Here is the nugget to install objects via SAPLINK .
Launch the transaction SE11, and create a new structure with name ZCONTEXT_HIDECOLUMNS_LINE :
Create a table type ZCONTEXT_HIDECOLUMNS_TABLE, which based on the row type ZCONTEXT_HIDECOLUMNS_LINE :
Create a new structure with name ZCONTEXT_HIDECOLUMNS (it will be the context):