You can simply do showevent(QTYPE_NONE); after you gave the quest.
If what you want is the default behavior of quests, you should use questinfo() on OnInit event.
*questinfo(<Quest ID>, <Icon> {, <Map Mark Color>{, <Job Class>}})
This is esentially a combination of questprogress() and showevent(). Use this only
in an OnInit label. For the Quest ID, specify the quest ID that you want
checked if it has been started yet.
For Icon, use one of the following:
No Icon : QTYPE_NONE
! Quest Icon : QTYPE_QUEST
? Quest Icon : QTYPE_QUEST2
! Job Icon : QTYPE_JOB
? Job Icon : QTYPE_JOB2
! Event Icon : QTYPE_EVENT
? Event Icon : QTYPE_EVENT2
Warg : QTYPE_WARG
Warg Face : QTYPE_WARG2 (Only for packetver >= 20120410)
Map Mark Color, when used, creates a mark in the user's mini map on the position of the NPC,
the available color values are:
0 - No Marker
1 - Yellow Marker
2 - Green Marker
3 - Purple Marker
When a user shows up on a map, each NPC is checked for questinfo that has been set.
If questinfo is present, it will check if the quest has been started, if it has not, the bubble will appear.
Optionally, you can also specify a Job Class if the quest bubble should only appear for a certain class.
Example
izlude,100,100,4 script Test 844,{
mes("[Test]");
mes("Hello World.");
close();
OnInit:
questinfo(1001, QTYPE_QUEST, 0, Job_Novice);
end;
}