code: def create_field(self, collection, field_dict):
          '''
          Creates a new field in managed schema, will raise ValueError if the field already exists.  field_dict should look like this::
  
              {
                   "name":"sell-by",
                   "type":"tdate",
                   "stored":True
              }
  
          Reference: https://cwiki.apache.org/confluence/display/solr/Defining+Fields
  
          '''
          if self.does_field_exist(collection,field_dict['name']):
              raise ValueError("Field {} Already Exists in Solr Collection {}".format(field_dict['name'],collection))
          temp = {"add-field":dict(field_dict)}
          res, con_info =self.solr.transport.send_request(method='POST',endpoint=self.schema_endpoint,collection=collection, data=json.dumps(temp))
          return ref create_field(self, collection, field_dict):
          '''
          Creates a new field in managed schema, will raise ValueError if the field already exists.  field_dict should look like this::
  
              {
                   "name":"sell-by",
                   "type":"tdate",
                   "stored":True
              }
  
          Reference: https://cwiki.apache.org/confluence/display/solr/Defining+Fields
  
          '''
          if self.does_field_exist(collection,field_dict['name']):
              raise ValueError("Field {} Already Exists in Solr Collection {}".format(field_dict['name'],collection))
          temp = {"add-field":dict(field_dict)}
          res, con_info =self.solr.transport.send_request(method='POST',endpoint=self.schema_endpoint,collection=collection, data=json.dumps(temp))
          return res
docs: Creates a new field in managed schema, will raise ValueError if the field already exists.  field_dict should look like this::
  
              {
                   "name":"sell-by",
                   "type":"tdate",
                   "stored":True
              }
  
          Reference: https://cwiki.apache.org/confluence/display/solr/Defining+Fields