how to add dynamic tooltip text with leaflet.draw? -

i use leaflet.draw plugin add shapes map, need change information (static text) of tooltip when user move cursor (mousemove) on edit mode or on adding vertex.

how can intercept event,

 map.on('draw:cursor-move', function (e, latlng, options) {     ....  }) 

also, tried extend update text function , update position, need mousemove event, action or shape type , latlng position.