> For the complete documentation index, see [llms.txt](https://legacy-docs.usdd.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://legacy-docs.usdd.io/psm/how-to-swap-between-usdd-and-usdt-usdc-tusd-usdj-at-1-1-ratio-in-psm/psm-sun.md).

# PSM(SUN)

#### UR&#x4C;**:** <https://sun.io/?lang=en-US#/psm>

#### 1.Click on “Get Started” and enter the PSM page. Click on “Connect Wallet” to connect to your TronLink wallet.

![](/files/c085Hy6LOy2zBLTGJkEY)

![](/files/CoF69Hes9wvcovnbnBmd)

#### 2.Enter the amount of USDD or USDT/USD&#x43;**/TUSD/USDJ** that you would like to swap. Then, click on “Swap”.

![](/files/pb2l9fpkQZA9NxyY8PDc)

#### 3.In your TronLink wallet, you need to click on "Sign to Approve" in the pop-up window to complete the action.

![](https://lh4.googleusercontent.com/sHJOsDKwpgjPhA7PdG9sDTR6Qwmw9jaSnZJCwrK4QVQIZ5ZoJkSIgOsYnVYGVgjrJpskyv-wKwkuvBebq2QwRPzOgOixXqBVHB2hor3ulQ4S588csOvbhL5-OD0lu6w19uK4KWM4gFtOYx5ID55pMWs)

#### 4.You can view the USDD or USDT/USD&#x43;**/TUSD/USDJ** that you have swapped in your wallet.