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Text: With this type a free text can be entered.
Options: Here only predefined values can be selected from a dropdown list. If the field is not required, the dropdown field will have the option "empty" which will not set a value for the field. These values can be edited under configuration/customFields.
Fields which have a "*" at the end of their name are required.
The description of a field can be found in the info icon next to the name of the field.
In the Developer Portal, the Custom Fields can be viewed and edited under the same properties and conditions under the respective application as in the Admin Portal.