Change Requester role to be played only by technicians.

Change Requester role to be played only by technicians.

Please go to Admin - Field and form rules and add the below script. 

var additionalField = "UDF_CHAR2";

$CS.referField(additionalField, "technicians", {url: "/api/v3/technicians"}); 

$CS.element(additionalField).on("change", function() {

$CS.setValue("INITIATOR",$CS.getValue(additionalField));

});

Screenshot for reference: