Stop user to drop marker 2 or more times

[rsharma]

How to stop user to stop user, drop marker more than 1 times when click is enabled for dropping marker and user tries to click by mistake again on screeen .

marker should be dropped 1 time when clicked, after that it should be disabled to drop until i click on it again

[RobertScheitlin__GISP · Accepted solution]

Set markerClickValidation to false after the user adds the first marker.