Possible data type formats in fmcgProducts:
an..X: alphanumeric with a maximum of X characters.
Boolean: boolean (true/false)
Code List: Predefined text values from a code list
DateTime: date and time field
g13 GLN value with 13 digits
g..14: GTIN value with up to 14 digits
nX: number field with exactly X digits
n..X: number field with up to X digits
n..X (X.Y): number field with up to X digits with up to Y decimals