Hi @jaja4114 ,
We are a bit unclear about your requirement, but as per our understanding, you are facing an issue with the multiselect choice field on the edit form.
You can simply use the multiselect choice field in Power Pages without using a control and any metadata settings.
Step 1: Create a Multiselect Choice Field
- Go to your Dataverse environment.
- Navigate to the table where you want to add the multiselect choice field.
- Create a new field and set its type to "Choice (multi-select)".

Step 2: Add the Form on Pages
- Go to your Power Pages site.
- Add the form that contains the multiselect choice field to the page.

Note:
There is an out-of-the-box (OOB) functionality for multiselect choice fields, so there is no need to use a code component in Power Pages.
Output:-
By following the above steps, you should be able to use the multiselect choice field in your Power Pages site without encountering any issues.


Thanks!