Help: Change Symbol / Timeframe Button

[louisfx]

Hi,

I am learning to code and i am trying to create

- 2 button ( symbol: eurusd, gbpusd) : when i can click to the button, the chart change to the symbol .
- 2 button ( timeframe: m1,m5 ): when i can click to the button, the chart change to the timeframe.

Can any experience coder give me some sample code for the above. Thanks all