I don't know if am wrong

[Powertech_Development (Delight Elisha)]

Good morning koders,
I have gone through the process of adding json marker on map and have search the community for it but still am facing a problem, I don’t know if am doing something wrong.

[George_Loungos]

Check here

I think you forget to put this " "

[Powertech_Development (Delight Elisha)]

Thanks at the last part is this what you did "}]

[George_Loungos]

I think between the title is simple ’ ’

[Powertech_Development (Delight Elisha)]

I will try it

[George_Loungos]

This is the format [{“lat”:36.421,“lng”:28.188,“color”:224,“title”:‘The title’}]
Just replace the numbers and the title

[ImranTariq]

also missing : in color, and color value cannot be zero i think,

[Powertech_Development (Delight Elisha)]

Still not working

[Powertech_Development (Delight Elisha)]

I tried changing it but not working

[pavi2410 (Pavitra Golchha)]

Go to jsonlint.com and paste the JSON text there and click on the Validate button

[Taifun]

use Do it to debug your blocks

see also tip 4 here App Inventor: How to Learn | Pura Vida Apps
Taifun