> For the complete documentation index, see [llms.txt](https://docs.liquidapps.io/liquidapps-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.liquidapps.io/liquidapps-documentation/dapp-network-services/dapp-network-services/dapp-service-macros/contract_start.md).

# CONTRACT\_START

#### CONTRACT\_START() | [code](https://github.com/liquidapps-io/zeus-sdk/blob/master/boxes/groups/dapp-network/dapp-services/contracts/eos/dappservices/dappservices.hpp#L486)

```cpp
/**
  *  Wraps the eosio::contract class and provides the DAPP service actions needed for each service utilized as well as a specified CONTRACT_NAME. Intended to be used with CONTRACT_END.
  *
  *  @param CONTRACT_NAME - defines smart contract's name
  *  @param DAPPSERVICES_ACTIONS - specifies DAPP Service actions that must be included to perform a service
  *
  *  @return eosio::contract class with DAPP service actions defined under DAPPSERVICES_ACTIONS() and CONTRACT_NAME
  *
  *  Example:
  *
  *  @code
  *  #define DAPPSERVICES_ACTIONS() \
  *  XSIGNAL_DAPPSERVICE_ACTION \
  *  ORACLE_DAPPSERVICE_ACTIONS
  *  
  *  #define CONTRACT_NAME() oracleconsumer 
  *  
  *  CONTRACT_START()
  *  @endcode
  */

#define CONTRACT_START() \
CONTRACT CONTRACT_NAME() : public eosio::contract { \
  using contract::contract; \
public: \
DAPPSERVICES_ACTIONS()
```