"description":"Use this method to clear the list of pinned messages in a chat. If the chat is not a private chat, the bot must be an administrator in the chat for this to work and must have the 'can_pin_messages' administrator right in a supergroup or 'can_edit_messages' administrator right in a channel. Returns True on success.",
"html_description":"<p>Use this method to clear the list of pinned messages in a chat. If the chat is not a private chat, the bot must be an administrator in the chat for this to work and must have the 'can_pin_messages' administrator right in a supergroup or 'can_edit_messages' administrator right in a channel. Returns <em>True</em> on success.</p>",
"rst_description":"Use this method to clear the list of pinned messages in a chat. If the chat is not a private chat, the bot must be an administrator in the chat for this to work and must have the 'can_pin_messages' administrator right in a supergroup or 'can_edit_messages' administrator right in a channel. Returns :code:`True` on success.",
"annotations":[
{
"type":"Integer or String",
"required":true,
"description":"Unique identifier for the target chat or username of the target channel (in the format @channelusername)",
"html_description":"<td>Unique identifier for the target chat or username of the target channel (in the format <code>@channelusername</code>)</td>",
"rst_description":"Unique identifier for the target chat or username of the target channel (in the format :code:`@channelusername`)\n",