About task type (Gantt)

Hello

I’d like to know how to modify the ‘’ type ‘’ of a task?

Il the Gantt we can show the column ‘’ type ‘’ but I don’t find how to change this in a task properties

Thank you

Don’t answer

I found

Best regards

I want to know how to edit the “type” of task column please. Thank you in advance for your help

Type is an unused column; it doesn’t make any sense to edit it.