| id | Integer | Unique identifier of the field. | 
    
      | name | String | Name of the field. | 
    
      | description | String | Detailed description of the nature of field. | 
    
      | key | String | The key of the field. Is used in API calls to identifiy the field. | 
    
      | required | Boolean | Indicates of this field is required, i.e. contributors have to provide a value. | 
    
      | fieldtype | String | Type of the field. One of TextField,NumericField,TrueFalseField,DateTimeFieldorLookupField | 
    
      | minval | Number | Optional, only available with NumericField. Minimum accepted value for this field. | 
    
      | maxval | Number | Optional, only available with NumericField. Maximum accepted value for this field. | 
    
      | textarea | Boolean | Optional, only available with TextField. Indicates if the field should be displayed as textarea. | 
    
      | maxlength | Number | Optional, only available with TextField. The maximum number if characters accepted for this textfield. | 
    
      | lookupvalues | Array | Optional, only available with LookupField. List of accepted values for this field. | 
    
      | order | Integer | The order in the list of fields. |