Template:Sdk callback page

Callback set and handler snippet

vp_callback_set(instance, VP_CALLBACK_UNKNOWN, callback_unknown);

void callback_unknown(VPInstance instance, int reason_code) { }

Sent to the client in response to vp_unknown()

Reason code

This callback is passed a return code integer, which indicates whether the request was successful (0) or errored for any of these reasons:

Return code	Cause
VP_RC_SUCCESS	Successful call (for methods that have a registered callback, it only means the request has been sent)

Return attributes

No attributes are returned in this callback

Behavior

There is no special behavior for this callback

Examples

This callback has no usage examples; please add at least one to this page

Usage

{{sdk callback page|Callback name
|reasoncodes=
  {{sdk return code row|name|cause}}
|returnattributes=
  {{sdk attribute row|type|name|description}}
|behavior=
|caveats=
|examples=
|seealso=
}}