[feature] The only variable types constructed are enumerations and strings. We need a data type that can be selected from multiple sources, such as named list.

[riven-blade]

Is your feature request related to a problem? Please describe. [A clear and concise description of what the problem is. Ex. I'm always frustrated when ... ] Construct variables, enumeration types can only be selected individually

Describe the feature you'd like [A clear and concise description of what you want to happen.] I need a type that allows multiple selections

Describe alternatives you've considered [A clear and concise description of any alternative solutions or features you've considered.] I need a type that allows multiple selections

Additional context [Add any other context or screenshots about the feature request here.]

[lilianzhu]

we will assess it