Contract data from a user form is not available for operations

I have a bonita form that is sending the form data properly:

Get current user Id in Task Operations

Hello All,

How can I get the current user id from within a script in a Operations assignment?

I want to store the user id in a BDM for future reference and auditing.

Thank you.

How to modify a process variable or a bussines variable, from the activity form, witout using the contract?

Hi all

I am a newbie at Bonita 7.2.0, and have some doubts.

I have added a new porcess variable in the Bonita Studio, and I want to modify the value from a form button, I have one contract in that task to send datas from the form to the bonita flow.
In the button that I use to send the task, I have a javascript expression like this, with ti objects from the contract: