code: function (fieldDefinition, fieldName) {
      const fieldType = propertyHelper.getFieldType(fieldDefinition);
  
      let checks;
      if (fieldType === 'number' || fieldType === 'integer' || fieldType === 'float') {
        checks = createChecks(fieldDefinition, fieldName, fieldType);
      }
  
      return checks;
    }
docs: Creates the field splitter for a field, if this field is a multi field
  @param fieldDefinition The field_definition for this field.
  @param fieldName The name of the current field