Returns whether or not the row can be pinned. API Docs Guide
Returns the pinned position of the row. ('top', 'bottom' or false) API Docs Guide
'top'
'bottom'
false
Returns the numeric pinned index of the row within a pinned row group. API Docs Guide
Pins a row to the 'top' or 'bottom', or unpins the row to the center if false is passed. API Docs Guide