====== Agent Logout ======
  *Function:
<code>logout(orgidentity, usertype, user, pwdtype, password)</code>

  *Description:

<code>Send a logout request to asterCC;</code>

  *Parameters:

^ Param       ^ Type  ^ Description  ^
|orgidentity  |String |The identity string of the team|
|usertype     |String |User Type: agent/account|
|user         |String |Use Agent No. when user type is agent / Use Username when user type is account|
|pwdtype      |String |Password Type:  plaintext/MD5|
|password     |String |Use plaintext or md5 password for agent or account|

  *Return Format:
<code>|Retuen|code|Retuen|message</code>
  *Type of the Return Value: String
  *Return Values:

^ Value    ^ Description  ^
|<code>|Retuen|1|Retuen|message</code>|<code>Succeeded||Messages</code>|
|<code>|Retuen|2|Retuen|message</code>|<code>Failed||Messages</code>|