====== rotateElement ======

  * Parameters & Types:
     * playerid: number player ID
     * uiid: string the UIID of the custom UI
     * elementid: the UIID of the string element
     * rotate: number rotation angle
  * Return value and type:
    * ErrorCode. OK
  * The main function of this method: to rotate the element
  * Specific use cases are as follows:
<code>
--This function is executed when the player clicks on the block
local function clickblock(event)
    local playerid=event.eventobjid--Click on the player's mini number of the block
    local uiid="6986982063319417057"-- The interface ID of the component to be rotated
    local elementid="6986982063319417057_1"-- ID of the component to be rotated
    local rotate=90--The number of degrees to rotate (clockwise)
    --Rotate the element to the player
    Customui:rotateElement(playerid, uiid, elementid, rotate)
end
ScriptSupportEvent:registerEvent([=[Player.ClickBlock]=],clickblock)
</code>