ReferenceAvailable
callback
`callback` is a required parameter of `telion_api.EventBus.on` with the installed type contract `Callable[[Event], Any]`.
callback is a required parameter of telion_api.EventBus.on with the installed type contract Callable[[Event], Any].
Contract
| Property | Value |
|---|---|
| symbol | telion_api.EventBus.on |
| parameter | callback |
| type | Callable[[Event], Any] |
| required | true |
| default | required |