====== SetSkyBoxMaps ======


  * Parameters & Types:
      * time: number of game hours
      * itype: number map type (SKYBOXMAP) SKYBOXMAP
     * url:string image link
  * Return value and type:
     * code:number succeeded (ErrorCode.OK) ErrorCode
  * The main purpose of this method: Set the skybox map
  * Specific use cases are as follows:

<code>
local code  = World:SetSkyBoxMaps(itype, url)
if code == ErrorCode.OK then
    print('Execution Successful'  )
else
    print('Execution failed')
end
</code>