Maniphest Custom Field Multi-Select

We want to create a custom field to accommodate our need to record bugs using Maniphest. We want to have a field wherein you can select multiple values as inputs. So let say we have a select option and then we can select multiple values from there. Using checkboxes for these will result in a huge form that’s why we want to recreate a multi-select.

I’m thinking maybe limit field can answer our need, but I can’t seem to understand what is considered a tokenizer control type.