How can I parametrize the "From Workspace" block in Simulink?

Hi, I am trying to parametrize the "From Workspace" block in Simulink. Instead of the default variable = "simulink-input", I want to use a name = "x1". "To workspace" block I changed for y1 with this -> set_param([sys '/To workspace'],'mat-name','y1'). Is there something like this for "From workspace"?

Answer 1

[A Jenkins]

set_param([sys '/From workspace'],'VariableName','x1')