set Modifier
Set a modifier value
Parameters
modifier
{@link Modifiers}
value
{@link String}
Modifiers must be added in order. No setting index 2 without first setting index 0 and 1. If setting out of order is attempted, the value will just be added to the end of the list.
Parameters
modifier
{@link Modifiers}
value
{@link String}
index
{@link Integer}