I am wondering in there is a way to place arrows or dots above price and volume bars on a daily chart.
I was thinking for dividends or earnings, so you could just install the dates of interest.
I was also thinking of a volume since the close of the date in question.
Since I have very little previous experience at this I would just like to hear others thoughts on if this can be accomplished in amibroker before I start to work on it.
In addition to what experts have shown, I would like to mention few helpful aspects. Before getting into Plotting shapes or anything, Understanding how AFL works is quintessential. One must also correctly differentiate Barindex and BarCount. Please view the below image taken from Quick AFL facts.
Next, it is important to understand Date, Time aspects w.r.t Plot (or for its derivative functions), for that please read and play with the code shown in this article Numbering Bars.
Then, please thoroughly go through Multiple Time Frame support in AFL in order to understand how you can compress/expand different TimeFrames to Plot. Copy/paste the codes onto AFL Editor and experiment with them - that's the best way to learn AFL. Moreover, it begins to become easy once the mind is put over the material.
These concept will definitely give you a head-start, then, slowly you could vouch for smart shortcuts or deep concepts from other codes, posts, articles, websites, videos abundantly scattered across internet.
This is just the beginning. Amibroker is highly versatile, flexible, powerful......