Variable Register: key

Hi list.

I tried, unsuccessfully, to have a register key set to a variable name:

-name: Some other task
[…]
vars:

register_name: a_specific_name

  • name: The task
    […]
    register: “{{ register_name }}”

I imagine the key is not evaluated,
can someone confirm this ?

Thanks.

raphael.

The value of the variable name you register to must be a string, not a variable.