Sending data96 on telem 1 port using lua script

ArduPilot Lua Scripting
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1

I have write a test code in lua to send data96 on telem1 port(serial 1) i have tested the data on serial monitor i am receiving the data now the issue i am facing is that in mission planner mavlink inspector the data96 is not showing i think my code is creating a custom packet not a standard mavlink data96 packet thats why its not showning in the mavlink inspector i have also checked the below link
ardupilot/libraries/AP_Scripting/docs/docs.lua at master · ArduPilot/ardupilot · GitHub
there is only one function to send the mavlink message which is mavlink:send_chan
Below is my test code @Eosbandi @rmackay9
I am open for any help
Thanks

-- Channel 1 corresponds to SERIAL1 (MAVLink)
local MAV_CHAN = 1

-- MAVLink message ID for a custom 96-byte message (pick one not used)
local DATA96_MSGID = 172  

-- Create 96-byte data string
local data96 = {}
for i = 1, 96 do
    data96[i] = i
end

-- Convert to binary string
local function arrayToString(arr)
    local s = ""
    for i = 1, #arr do
        s = s .. string.char(arr[i])
    end
    return s
end

local data96_str = arrayToString(data96)

-- Send every second
local last_tx = millis():tofloat() * 0.001

function sendData96()
    local now = millis():tofloat() * 0.001
    if now - last_tx >= 1 then
        -- Send via mavlink API
        local success = mavlink:send_chan(MAV_CHAN, DATA96_MSGID, data96_str)
        if success then
            gcs:send_text(3, "DATA96 sent successfully, 96 bytes")
        else
            gcs:send_text(3, "Failed to send DATA96")
        end
        last_tx = now
    end

    return sendData96, 100
end

return sendData96, 100

I am open for any help
Thanks Below are the Screen Shoots

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2

Look in the modules/Mavlink folder in the scripts folder, and the Mavlink example in the scripting folder.

You have to add the definition of the DATA96 message in a file called mavlink_msg_DATA96.lua
messages[172] = { – DATA96
{ “type”, “<B” },
{ “len”, “<B” },
{ “data”, “<B”, 96 },
}

and use mavlink_msgs.encode function to put together the message data