cfillion_Copy first send on parent to selected child track.lua

-- @version 1.0beta
-- @author cfillion

-- send types
local RECEIVE  = -1
local SEND     =  0
local HARDWARE =  1

local PARAMS = {
  'B_MUTE', 'B_PHASE', 'B_MONO', 'D_VOL', 'D_PAN',' D_PANLAW', 'I_SENDMODE',
  'I_AUTOMODE', 'I_SRCCHAN', 'I_DSTCHAN', 'I_MIDIFLAGS',
}

local DESTINATION = 1

local config = {
  copy_index = 0,     -- which send/receive to copy
  copy_type   = SEND,
  paste_type  = SEND,
}

function enumSelectedTracks()
  local i = -1

  return function()
    i = i + 1
    return reaper.GetSelectedTrack(0, i)
  end
end

for track in enumSelectedTracks() do
  local parent = reaper.GetParentTrack(track)
  local target = parent and reaper.BR_GetMediaTrackSendInfo_Track(parent,
    config.copy_type, config.copy_index, DESTINATION)

  if target then
    local sendId = reaper.CreateTrackSend(track, target)

    for _, param in ipairs(PARAMS) do
      local value = reaper.GetTrackSendInfo_Value(parent, config.copy_type, config.copy_index, param)
      reaper.SetTrackSendInfo_Value(track, config.paste_type, sendId, param, value)
    end
  end
end

Thank you! Please add to reapack