# Register chain

### Register chain

You must execute the [`setchain`](https://bloks.io/account/liquidx.dsp?loadContract=true\&tab=Tables\&account=liquidx.dsp\&scope=liquidx.dsp\&limit=100\&action=setchain) action on the [`liquidx.dsp`](https://bloks.io/account/liquidx.dsp) account on the EOS mainnet with the mainnet account created to represent the chain name. The syntax is as follows:

* `chain_name` **{name}** - name of EOS mainnet account deploying chain, e.g., mynewchainnn
* `chain_meta` **{chain\_metadata\_t}** - chain data
  * `is_public` **{bool}** - whether the chain is public
  * `is_single_node` **{bool}** - whether chain is a single node
  * `dappservices_contract` **{std::string}** - account that `dappservicex.cpp` is deployed to, e.g., dappservicex
  * `chain_id` **{std::string}** - chain ID of sidechain
  * `type` **{std::string}** - type of blockchain, e.g., EOSIO
  * `endpoints` **{std::vector**[**std::string**](std::string)**}** - list of public endpoints for developers to use
  * `chain_json_uri` **{std::vector**[**std::string**](std::string)**}** - publicly available json file that declares chain statistics

Example cleos command:

```
cleos -u https://nodes.get-scatter.com:443 push transaction '{"delay_sec":0,"max_cpu_usage_ms":0,"actions":[{"account":"liquidx.dsp","name":"setchain","data":{"chain_name":"mynewchainnn","chain_meta":{"is_public":true,"is_single_node":false,"dappservices_contract":"dappservicex","chain_id":"e70aaab8997e1dfce58fbfac80cbbb8fecec7b99cf982a9444273cbc64c41473","type":"EOSIO","endpoints":[],"p2p_seeds":[],"chain_json_uri":""}},"authorization":[{"actor":"mynewchainnn","permission":"active"}]}]}'
```

After that, you must run the `init` action on the `dappservicex` contract.

* `chain_name` {name} - name of EOS mainnet account deploying chain, e.g., mynewchainnn

Example cleos command:

```
cleos -u https://api.jungle.alohaeos.com push transaction '{"delay_sec":0,"max_cpu_usage_ms":0,"actions":[{"account":"dappservicex","name":"init","data":{"chain_name":"liquidjungle"},"authorization":[{"actor":"dappservicex","permission":"active"}]}]}'
```

And now you’re setup to begin configuring DSPs and then enabling users to use DAPP Network services. DSPs and developers will need to know the `chain_name` used on the mainnet and the account the `dappservicex.cpp` contract was set to on the new chain.


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