how to change field name

Gantt
#1

hi how to change field name?

...
gantt.load("./gantt_connector.php");
var dp = new dataProcessor("./gantt_connector.php");

dp.init(gantt);

gantt_connector.php

...
$gantt->render_links("gantt_links", "id", "source,target,type");
$gantt->render_table("gantt_tasks","task_id","task_start_date(start_date),task_duration(duration),text,progress,parent","");

[field]
start_date -> task_start_date
duration -> task_duration
…

#2

Hi,
on the client-side start_date,end_date and duration fields has fixed names which can’t be changed.
In the connector config, the syntax you use seems correct. The alias for the column is assigned as “column_name(alias),columns2_name(alias2)”