Hello Mr Tool,
Can you help me making an arrow and alert in this tdi indicator only in this condition below:

ARROW UP and ALERT UP:
When green line cross red line in above yellow line and above 5O level.

ARROW DOWN and ALERT DOWN:
When green line cross red line in below yellow line and below 50 level.

I hope you can help me to do that, Thank You... You are the best !!!