This option allows you to automatically display a list of predefined attributes when clicking on a component in the assembly.
When this option is checked, a window containing the predefined attributes is displayed when clicking on a component.
This option allows you to retrieve the value of the attribute in the configuration @ if it is not specified in the configuration referenced by the assembly. If this option is not checked, the field will be empty if the attribute is not filled in in the configuration referenced by the assembly.
The number of lines allows you to retrieve the attributes on one or more lines, each field can be set differently, see Field type