Addition to the basic version 1.
"TMA(AlexeNP,gm)_centered_asymmetric_bands_v1.01.mq4"

// 12JAN2023 Genry mod: Added alert. https://forexsystemsru.com/threads/sove ... st-1818990
Remember: if the Alert is set on the zero bar (alertsOnCurrent), it will yell each time at the appearance and disappearance of the arrow or
at the breaking of the channel border back and forth.

// 12JAN2023 Genry mod: Added History parameter.

Good luck!