Insert Position

Determines how to insert a substring into a string at a given position.

At

If this is a string the substring is inserted at this string. If this is a number then it is inserted at this zero-based index in the string.

Forward/Backwards

Determines if WebFlow looks from the right or from the left

Left and right

Only applicable if At field contains a string. Determines if substring is inserted to the left or to the right of the At string.