<function name="WriteUInt64" parent="File" type="classfunc"> <description>Writes an unsigned 64-bit integer to the file.</description> <realm>Shared and Menu</realm> <added>2023.09.06</added>⤶ <added>2023.08.30</added>⤶ <args> <arg name="uint64" type="string">The unsigned 64-bit integer to be written to the file. <note>Since Lua cannot store full 64-bit integers, this function takes a string. It is mainly aimed at usage with <page>Player:SteamID64</page>.</note> </arg> </args> </function>