i have a multi select custom metadata field , i kept type as Long text
now i am not sure it will work for all the case as each option is drop down is more then 20 char and they are many.
please let me where i can find max length for custom metadata type text,long text , memo ?
See here: http://docs.oracle.com/cd/E23943_01/doc.1111/e10978/e01_user_if.htm#r9c1-t36
and an older (and a bit obsolete - lengths are no longer valid) post how to adjust it: http://bluestudios.co.uk/blog/2008/06/guide-controling-metadata-field-length-memo-field-size/