Why is my variable not being evaluated?

I need a variable to be evaluated inside Assigned Activity node (JSP didn't work either), so I can send information through the mail bot.

Workflow Template:

Variables:

Workflow Expression node:

Workflow Assigned Activity node:

BackgroundMethodServer logs:

2024-06-21 09:11:07,313 INFO [WfUserWorkQueue.PoolQueueThread-9] wt.system.out wcadmin - *************Found 2 objects in this promotion************* Objects undergoing promotion are <table><thead><tr style="background-color:yellow; font-weight:bold;"><td style="padding:5px; border:.5px solid black;">Promoted Items</td><td style="padding:5px; border:1px solid black; text-align:center;">Version</td></tr></thead><tbody><tr><td style="padding:5px; border:1px solid black;">10100184.prt</td><td style="padding:5px; border:1px solid black; text-align:center;">A00</td></tr><tbody><tr><td style="padding:5px; border:1px solid black;">sb100884.asm</td><td style="padding:5px; border:1px solid black; text-align:center;">A00</td></tr></tbody></table>

2024-06-21 09:11:18,937 INFO [EMailQueue.SchedulingThread] wt.system.out wcadmin - {notifica}

UPDATE:

Solved it by adding a new variable inside the node itself, copying the value of the target global variable!