Updating and bumping DMAPI version. Some new stuff being around.

code/modules/tgs/v5/api.dm

@@ -27,6 +27,8 @@
 	var/chunked_requests = 0
 	var/list/chunked_topics = list()
 
+	var/list/pending_events = list()
+
 	var/detached = FALSE
 
 /datum/tgs_api/v5/New()
@@ -125,7 +127,7 @@
 			TGS_DEBUG_LOG("RequireInitialBridgeResponse: Starting sleep")
 			logged = TRUE
 
-		sleep(1)
+		sleep(world.tick_lag)
 
 	TGS_DEBUG_LOG("RequireInitialBridgeResponse: Passed")
 
@@ -249,6 +251,40 @@
 	WaitForReattach(TRUE)
 	return chat_channels.Copy()
 
+/datum/tgs_api/v5/TriggerEvent(event_name, list/parameters, wait_for_completion)
+	RequireInitialBridgeResponse()
+	WaitForReattach(TRUE)
+
+	if(interop_version.minor < 9)
+		TGS_WARNING_LOG("Interop version too low for custom events!")
+		return FALSE
+
+	var/str_parameters = list()
+	for(var/i in parameters)
+		str_parameters += "[i]"
+
+	var/list/response = Bridge(DMAPI5_BRIDGE_COMMAND_EVENT, list(DMAPI5_BRIDGE_PARAMETER_EVENT_INVOCATION = list(DMAPI5_EVENT_INVOCATION_NAME = event_name, DMAPI5_EVENT_INVOCATION_PARAMETERS = str_parameters, DMAPI5_EVENT_INVOCATION_NOTIFY_COMPLETION = wait_for_completion)))
+	if(!response)
+		return FALSE
+
+	var/event_id = response[DMAPI5_EVENT_ID]
+	if(!event_id)
+		return FALSE
+
+	TGS_DEBUG_LOG("Created event ID: [event_id]")
+	if(!wait_for_completion)
+		return TRUE
+
+	TGS_DEBUG_LOG("Waiting for completion of event ID: [event_id]")
+
+	while(!pending_events[event_id])
+		sleep(world.tick_lag)
+
+	TGS_DEBUG_LOG("Completed wait on event ID: [event_id]")
+	pending_events -= event_id
+
+	return TRUE
+
 /datum/tgs_api/v5/proc/DecodeChannels(chat_update_json)
 	TGS_DEBUG_LOG("DecodeChannels()")
 	var/list/chat_channels_json = chat_update_json[DMAPI5_CHAT_UPDATE_CHANNELS]