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To set up a Telegram group for a major incident, do the following:

On the Administrator's computer

1. Download and set up Infrastructure Agent.

2. Create a Telegram client. 

   Info
   To create a Telegram client, complete the steps below: 1.  Get registered in Telegram, using any client name. 2.  Follow the https://my.telegram.org link for authorization. 3.  Complete the form on the https://my.telegram.org/apps website to receive the URLs and parameters of api_id and api_hash needed for the users' authorization. It is possible to link only one api_id to the telephone number

3. Set up a MID account and a MID agent with a hash IP and ID. Read the article Infrastructure Agent to learn more.
4. Download Simple MID Server

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5. Create three scripts in Python and place them inside the folder downloaded in Step 2:
   
   • createGroup – to create a group,
   • cancelGroup – to restrict commenting upon the completing of the incident and changing its state to Completed.
   • deleteGroup – to delete a Telegram group.

   
   

6. Run the first script "createGroup" manually. The system will require the user's authorization, do it.
7. A "Router Session On" file is created.

On the SimpleOne instance

1. Go to the System Properties (sys_property) table, set the value true for the itsm.telegram.swarming property.
2. Create a new server in the MID Server (MID_server) table.
3. Create a script to create a group in Telegram in the MID Scripts (MID_script) table. To do so:
   • Click New and in the new Script Form.
   • Add a name of the script (for example, createTelegram).
   • Add the path to the script on your computer in the Script field.
     
     
4. Repeat the previous step to add the scripts to close and delete a group.
5. Go to System Properties (sys_property) table and add the IDs of the three created scripts to the corresponding properties as their values.

6. Go to a major incident form. Now there appears a Start Swarming button. Click it for the first time, and a record with a corresponding name appears in the MID Queue (sys_mid_queue) table. 
   
   

   Field	Description
   Request	BotUserId, the incident name and the first message content that is sent to the Swarming Session participants
   Server	TgBotMIDServer.
   Script	The name of the executed script
   Response	A chat ID created and a lint to the group. The chat ID is stored in the Telegram Chat Bindings with Incident table.
   State	Done when executed
   Processed at	Date and time of the execution

   
   
   
   

7. A closeGroup record in the MID Queue (sys_mid_queue) table appears when the incident state is changed to Done. Commenting in the group is unavailable, but the participants can read the messages.
   
   

   Field	Description
   Request
   Server	TgBotMIDServer.
   Script	The name of the executed script
   Response	No response
   State	Done when executed
   Processed at	Date and time of the execution

   
   
   

8. A deleteGroup record in the MID Queue (sys_mid_queue) table is executed automatically after a set time period in the corresponding Server Script. When the deleteGroup record is in the state Done, the telegram group is deleted.
   
   

   Field	Description
   Request	A chatId parameter
   Server	TgBotMIDServer.
   Script	The name of the executed script
   Response	No responce
   State	Done when executed
   Processed at	Date and time of the execution