code: def build_dynamic_field(self, group, field_meta):
          
          schema = field_meta['schema']
  
          # set up some defaults for form fields
          fieldtype = 'text'
          fkwargs = {
              'label': field_meta['name'],
              'required': field_meta['required'],
          }
          # override defaults based on field configuration
          if (schema['type'] in ['securitylevel', 'priority']
                  or schema.get('custom') == JIRA_CUSTOM_FIELD_TYPES['select']):
              fieldtype = 'select'
              fkwargs['choices'] = self.make_choices(field_meta.get('allowedValues'))
          elif field_meta.get('autoCompleteUrl') and \
                  (schema.get('items') == 'user' or schema['type'] == 'user'):
              fieldtype = 'select'
              sentry_url = '/api/0/issues/%s/plugins/%s/autocomplete' % (group.id, self.slug)
              fkwargs['url'] = '%s?jira_url=%s' % (
                  sentry_url, quote_plus(field_meta['autoCompleteUrl']),
              )
              fkwargs['has_autocomplete'] = True
              fkwargs['placeholder'] = 'Start typing to search for a user'
          elif schema['type'] in ['timetracking']:
              # TODO: Implement timetracking (currently unsupported alltogether)
              return None
          elif schema.get('items') in ['worklog', 'attachment']:
              # TODO: Implement worklogs and attachments someday
              return None
          elif schema['type'] == 'array' and schema['items'] != 'string':
              fieldtype = 'select'
              fkwargs.update(
                  {
                      'multiple': True,
                      'choices': self.make_choices(field_meta.get('allowedValues')),
                      'default': []
                  }
              )
  
          # break this out, since multiple field types could additionally
          # be configured to use a custom property instead of a default.
          if schema.get('custom'):
              if schema['custom'] == JIRA_CUSTOM_FIELD_TYPES['textarea']:
                  fieldtype = 'textarea'
  
          fkwargs['type'] = fieldtype
          return fkwargs
docs: Builds a field based on JIRA's meta field information