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@@ -1,22 +1,24 @@
 # Authenticate
 
-```sh
-https://service2.funifier.com/2.0.0/authenticate?api_
-```	
-
 This method authenticate a player to your gamification and opens a session for the authenticated player on success. Authentication against the Funifier API is done with your gamification's API key, Authentication Mode and some combinations of credentials.
+
 GET Method
 
+```sh
+https://service2.funifier.com/2.0.0/authenticate
+```	
+
 **Parameters** .
 
- - api_key :	**String** - Required
- - app_secret :	**String** - Optional
- - auth_mode :	**String** - Required
- - app_secret :	**String** - Optional
- - auth_mode :	**String** - Required
- - password :	**String** - Optional
- - expiration :	**int**- Optional
- - callback :	**String** Optional
+ - api_key: **String/Required** - Field that identify the key of gamification
+ - auth_mode: **String/Required** - Identify which method of authentication will use. The values can be [IMPLICIT,PASSWORD,CREDENTIAL,FACEBOOK]
+ - oauth_access_token: **String/Optional** - Use this field when the auth_mode is FACEBOOK. This value is the Facbook Token
+ - player: **String/Required** - Identify the Player of gamification
+ - app_secret: **String/Optional** - Token security, create this app_secret value in funfier studio on menu security
+ - password: **String/Optional** - Use this field when the auth_mode authentication is PASSWORD
+ - expiration: **int/Optional** - Used to define expirations time in seconds of sessions
+ - language: **int/Optional** - Set the default language in authentication
+ - callback: **String/Optional** - Use to callbacks in javascript 
 
 ### Example Request
 ```sh