Thank you for your help, I have only just seen the response.
I have got around the issue by using shortcodes function, after setting-up a custom post type.
Although it states in documentation that you can only use the shortcode function for text fields, it is working as required with a select field. We have put code in to the value choices.
The only issue now is that the array is showing a comma after each value and we can’t seem to get rid of it. Do we need to update the shortcode function.
I can send you the custom post type code and use of shortcode in a content section.
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