Extjs Send extra param with pagination

bbar: new Ext.PagingToolbar({ pageSize: 6, id: ‘grid-bbar’ , store: store, listeners: { beforechange: function (tb, param) { var section= Ext.getCmp(‘rsection’).getValue(); var section1= Ext.getCmp(‘newID’).getValue(); param[‘section1’] = section1; param[‘section’] = section; } }, displayInfo: true, displayMsg: ‘Displaying topics {0} – {1} of {2}’,…