The main function of your hook
Concepts
Behaviour
- hookis a user defined function called by- xrpldin order to fire your hook.
- Your hookfunction calls eitheracceptorrejectto pass or reject the originating transaction.
- If execution reaches the end of the function it is implicitly an accept.
Definition
int64_t hook (
    uint32_t reserved
)
Example
int64_t hook(uint32_t reserved)
{
  return 0;
}
Parameters
| Name | Type | Description | 
| reserved | uint32_t | Reserved for future use. | 
Return Code
| Type | Description | 
| int64_t | An arbitrary return code you wish to return from your hook. This will be present in the metadata of the originating transaction. |