# Customizing Network

Back to the level editor,

* In Content Browser, select All > C++ Classes > CronosPlayDemo,
* Drag `MyDefiWalletCoreActor` we just created into the map, you'll see a new created actor `MyDefiWalletCoreActor` in Outliner

<figure><img src="https://1786307500-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqXsIo4b4WtOTfICyOIxa%2Fuploads%2Fgit-blob-cf237210641a15b1f33d9775d4241824ae019a56%2Fcronos-gamefi-cpp-my-actor?alt=media&#x26;token=3f4f377f-3c1e-4441-a9c5-cd56d83b4337" alt="" width="563"><figcaption></figcaption></figure>

* Select `MyDefiWalletCoreActor` in Outliner. Under **Cronos Play Unreal** section of **Details** tab, input the RPC and Chain ID settings, for example:
  * `My Cronos Rpc`:
    * **\[Testnet]** <https://evm-dev-t3.cronos.org>; or
    * **\[Mainnet]** <https://evm-dev.cronos.org>.
  * `My Cronos Chain ID`:
    * **\[Testnet]** 338; or
    * **\[Mainnet]** 25

<figure><img src="https://1786307500-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqXsIo4b4WtOTfICyOIxa%2Fuploads%2Fgit-blob-77d4b099b32c127f5e862c03fa68ef389894785f%2Fcronos-gamefi-cpp-actor-network-setting?alt=media&#x26;token=c559df70-9a2d-4fb4-ae62-9ab0263ae6f0" alt="" width="563"><figcaption></figcaption></figure>

* Click `Play` to start the simulation, logs could be found in the Output Log

<figure><img src="https://1786307500-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqXsIo4b4WtOTfICyOIxa%2Fuploads%2Fgit-blob-2bbcefc4d80ed020ac1ba9538c9cc83ee4a0fd67%2Fcronos-gamefi-cpp-logs?alt=media&#x26;token=f93fd95a-6755-4cdb-aca6-27bb2d1d64eb" alt="" width="563"><figcaption></figcaption></figure>