Changing ADO to LC LSX

I’m changing ADO to LSX LC can not find any example for managing bind variables.

This is part of the code in ADO:

key = “A”

On Error Resume Next

OraDatabase.Parameters.Remove “var1”

OraDatabase.Parameters.Add “var1”, key

Instruccion = |SELECT MyField1, MyField2 FROM MyTable WHERE (MyKey = :var1)|

any help is welcome.

Thank you