@Rahul_G A good starting point is to structure your application code in a way that is consistent and readable. Here is a link to a post from one of the top contributors on this forum that should guide you: Photon offline mode
Additionally, if you are using Workbench / VSC you can include these sorts of documentation tags
/**************************************************************************/
/*!
@brief Write a line. Bresenham's algorithm - thx wikpedia
@param x0 Start point x coordinate
@param y0 Start point y coordinate
@param x1 End point x coordinate
@param y1 End point y coordinate
@param color 16-bit 5-6-5 Color to draw with
*/
/**************************************************************************/
You could read something like this on stack exchange: https://writing.stackexchange.com/questions/36232/where-do-i-start-with-c-documentation
When you say ‘private tools’ do you mean local and not cloud?