Trying to add a new custom field to employee

Hello
I’m very new to Axelor and evaluating it as our possible future ERP solution.

I’m trying to add a new custom field to the employee Model as per the documentation. However I’m not able to edit the field, even though it gets automatically displayed in the « grid ». How/what do I have to do, to get the field included in the edit form?

Custom field definition:

Grid employee view (without editing anything):

I can not see the field on the main edit-form of the Employee. I’ve tried adding the field to the « View » of the Edit form in various ways:

Adding the following code in the view:

  <panel title="Attributes">
    <field name="attrs" colSpan="12" />
  </panel>

Or this:

<field name="attrs.shortsign" colSpan="4"/>

But I can’t get it to display. I’ve also not found anything in the documentation or other forum posts.
Thank you for your help and kind regards
Flavio

Hello,
It is automatically add in form.