What is this type in the link object?

Gantt
#1

Hi,

What is this type property in the link object and what is its use?

links:[
{ id:1, source:1, target:2, type:“1”}, //link’s id = 1
]
}

#2

Hi,
it is one of the four types of relations in a gantt chart -
finish to start, start to finish, finish to finish and start to start.

The mapping is defined in a following config option docs.dhtmlx.com/gantt/api__gantt … onfig.html