Changes a camera or video attribute in percentage of the valid range value. \n
* Returns zero if failed or attribute not supported.
*
* \verbatim vc:SetAttribute(attrib: string, percent: number) -> error: boolean [in Lua 5] \endverbatim
* \ingroup capture
Changes a camera or video attribute in percentage of the valid range value. \n * Returns zero if failed or attribute not supported. * * \verbatim vc:SetAttribute(attrib: string, percent: number) -> error: boolean [in Lua 5] \endverbatim * \ingroup capture