"description":"Use this method to clear the list of pinned messages in a forum topic. The bot must be an administrator in the chat for this to work and must have the can_pin_messages administrator right in the supergroup. Returns True on success.",
"html_description":"<p>Use this method to clear the list of pinned messages in a forum topic. The bot must be an administrator in the chat for this to work and must have the <em>can_pin_messages</em> administrator right in the supergroup. Returns <em>True</em> on success.</p>",
"rst_description":"Use this method to clear the list of pinned messages in a forum topic. The bot must be an administrator in the chat for this to work and must have the *can_pin_messages* administrator right in the supergroup. Returns :code:`True` on success.",
"annotations":[
{
"type":"Integer or String",
"required":true,
"description":"Unique identifier for the target chat or username of the target supergroup (in the format @supergroupusername)",
"html_description":"<td>Unique identifier for the target chat or username of the target supergroup (in the format <code>@supergroupusername</code>)</td>",
"rst_description":"Unique identifier for the target chat or username of the target supergroup (in the format :code:`@supergroupusername`)\n",
"name":"chat_id"
},
{
"type":"Integer",
"required":true,
"description":"Unique identifier for the target message thread of the forum topic",
"html_description":"<td>Unique identifier for the target message thread of the forum topic</td>",
"rst_description":"Unique identifier for the target message thread of the forum topic\n",