====== setText ======

  * Parameters & Types:
     * playerid: number player ID
      * uiid: the ID of the string interface
     * elementid: the ID of the string component
    * text: string
    * animid:number animation ID (default parameter)
     * time: number animation duration (default parameter)
     * mode: number playback mode (default)
  * Return value and type:
    * ErrorCode. OK
  * The main purpose of this method is to set the content of the text symbol
  * 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"--Interface ID
    local elementid="6986982063319417057_1"--Text element id
    local text="Hello"-- The text content to be set
    --Set the display of the player's text symbols
    Customui:setText(playerid, uiid, elementid, text)
end
ScriptSupportEvent:registerEvent([=[Player.ClickBlock]=], clickblock)</code>