headerClickSort

It is used only for columns that are sortable.
It prevents sorting by click on column header cell.
It is used for sorting outside of grid over grid API.

Example

{
  index: 'company',
  type: 'string',
  title: 'Company',
  sortable: true,
  headerClickSort: false
}
...
grid.sort('company', 'asc');

Default

undefined