You can add 50 total key-value pairs within these data limits:
key: 40 character limit. Square brackets ([]) can’t be included in keys.
value: 500 character limit.
If your system requires more space than this, store your data in your external database and use a key-value pair to store the external object’s ID in metadata.If you want to display a single field to customers, explore using description.Metadata isn’t visible to your customers unless you choose to show it.Never store sensitive information, such as bank account information, to metadata.
