How to change accessorKey based on condition

[afriddev]

{ accessorKey: "userId", header: ({ column }) => ( <DataTableColumnHeader column={column} title="User Id" /> ), cell: ({ row }) => ( <label>{row?.original?.subRetailerId ?? row?.original?.retailerId}</label> ), },

How to change accessorKey value from userId to userId2 when retailerId value exists
i gone through accessorFn but it doest help me to solve the above issue and i modified column value in DataTableColumnHeader like This
<DataTableColumnHeader column={{ ...column, id:"userId2",columnDef: {accessorKey:"userId2",id:"userId2"} }} title="User Id" /> but it doest help me