coalesce
Evaluates each expression in turn until the first valid value is obtained. Invalid values are null
and #types-image expressions that are unavailable in the style. If all values are invalid, coalesce
returns the first value listed.
Evaluates each expression in turn until the first valid value is obtained. Invalid values are null
and #types-image expressions that are unavailable in the style. If all values are invalid, coalesce
returns the first value listed.