From the reference libraryFiveM

AUDIO Natives

natives/AUDIO/0x23641AFE870AF385.md

START_PRELOADED_CONVERSATION

Property	Value
Native Name	`START_PRELOADED_CONVERSATION`
Hash	`0x23641AFE870AF385`
Return Type	`void`

Description: For use with PRELOAD_SCRIPT_CONVERSATION and GET_IS_PRELOADED_CONVERSATION_READY