diff --git a/paramecio2/libraries/db/coreforms.py b/paramecio2/libraries/db/coreforms.py
index 582070d..f8fc19c 100644
--- a/paramecio2/libraries/db/coreforms.py
+++ b/paramecio2/libraries/db/coreforms.py
@@ -39,6 +39,7 @@ class BaseForm:
         self.field=None
         self.required=False
         self.txt_error=''
+        self.error=False
         self.name_field_id=self.name+'_form'
         self.help=''
         
diff --git a/paramecio2/libraries/db/webmodel.py b/paramecio2/libraries/db/webmodel.py
index 85bfc28..da2f030 100644
--- a/paramecio2/libraries/db/webmodel.py
+++ b/paramecio2/libraries/db/webmodel.py
@@ -263,8 +263,18 @@ class WebModel:
     Webmodel is a class for create objects that represent models. This models are a mirage of SQL tables. You can create fields, add indexes, foreign keys, and more.
     
     Attributes:
-        arr_sql_index (dict): 
-    
+        arr_sql_index (dict): Internal dict used for generate mysql index in fields
+        arr_sql_set_index (dict): Internal dict used for generate mysql index in fields
+        arr_sql_unique (dict): Internal dict used for generate mysql unique values in fields
+        arr_sql_set_unique (dict): Internal dict used for generate mysql unique values in fields
+        last_query (str): The last query execute by WebModel
+        connection_pool (list): A list used in older versions, deprecated
+        first_primary_key (PrimaryKeyField): Field used for primary field and create models in database. 
+        model (OrderedDict): Dict used for internal things and create tables.
+        connections (dict): A dict with the configuration of the mysql connection. You can use this element in config.py. You set elements, normally "default" with typical elements how:
+            host: Database host, user: The username of mysql db, password: The password of user, db: The name of the db, charset: The charset of database, normally utf8, db_type: The db_type, possible values are mysqldb or pymysql, by default, pymysql.
+        connection_id (str): The id by default of the selected connection from connections. 
+
     """
     
     __slots__=('sqlclass', 'fields', 'forms')
@@ -297,12 +307,44 @@ class WebModel:
     
     @staticmethod
     def connection():
+        """Static method for make a connection using SqlClass
+        
+        Returns: Return a SqlClass connection for mysql db. 
+        """
         
         return SqlClass(WebModel.connections['default'])
     
     # Init the class
     
     def __init__(self, sqlclass=None, name_field_id="id"):
+        """
+        Args:
+            sqlclass (SqlClass): The SqlClass connection used for the mysql db
+            name_field_id (str): The name of field id of this model/mysql table
+            
+        Attributes:
+            name (str): The name of this model correspondient to the sql table name with lower string. 
+            label (str): Descriptive name, first is used self.name how default.
+            label_general (str): Descriptive general name, first is used self.name how default.
+            name_field_id (str): The name of field id of this model/mysql table
+            fields (OrderedDict): A dict with the fields of model/table based in PhangoField objects.
+            fields_error (OrderedDict): A dict where the errors when check data fields are saved
+            related (list): A list where related fields are saved.
+            forms (OrderedDict): A dict where forms related with fields using how base BaseForm class are saved if you use self.create_forms() method.
+            errors (dict): A dict where generic errors are saved.
+            num_errors (int): Number of errors generated by the model on query methods.
+            query_error (str): If error in query, saved here.
+            values_query (list): Where the values for a sql query for filtering are saved.
+            conditions (list): A list used for define the sql conditions. 
+                First element is the sql condition, Example: 'WHERE id=%s', and second element is the variable to substitute %s, example [1]. Complete example: ['WHERE id=%s', 1]
+            order_by (str): Internal variable used for set the sql order str. You don't shoud change this variable if yo don't know what are you doing.
+            limit (str): Internal variable used for set the sql limit str. 
+            related_models_deleted (list): Internal variable used for delete tables from db.
+            required_save (str): Internal variable used for required fields defined in self.fields
+            primary_key (str): Default name of primary key field
+            yes_reset_conditions (bool): 
+            
+        """
         
         self.cached=WebModel.global_cached
         
@@ -326,7 +368,7 @@ class WebModel:
         
         # Errors of fields of the table, for safe thread reasons.
         
-        self.fields_error=OrderedDict()        
+        #self.fields_error=OrderedDict()        
         
         #The tables related with foreignkeyfield to this table