using Custom indicators in experts

[Mohammad Reza Zahedi]

Hey How i can use a Custom indicator like PARABOLIC  in my own Expert?

[[Deleted]]

Parabolic is not a custom indicator) It's native indicator. For parabolic - there is native function called "iSAR" https://docs.mql4.com/en/indicators/isar

For custom indicators u can use iCustom https://docs.mql4.com/indicators/icustom