feat(ZMS-3503): added explanation to the function #3566

Job	Run time
call-unit-tests / zmsapi-test	2m 36s
call-unit-tests / module-test (zmsadmin, 8.0)	23s
call-unit-tests / zmsclient-test	43s
call-unit-tests / zmsdb-test	2m 47s
call-unit-tests / module-test (zmscalldisplay, 8.0)	19s
call-unit-tests / module-test (zmscitizenapi, 8.0)	38s
call-unit-tests / module-test (zmsdldb, 8.0)	24s
call-unit-tests / module-test (zmsentities, 8.0)	21s
call-unit-tests / module-test (zmsmessaging, 8.0)	21s
call-unit-tests / module-test (zmsslim, 8.0)	20s
call-unit-tests / module-test (zmsstatistic, 8.0)	20s
call-unit-tests / module-test (zmsticketprinter, 8.0)	21s
call-build-images / build (zmsadmin, 8.0)	3m 33s
call-build-images / build (zmsapi, 8.0)	2m 3s
call-build-images / build (zmscalldisplay, 8.0)	2m 15s
call-build-images / build (zmscitizenapi, 8.0)	1m 42s
call-build-images / build (zmsmessaging, 8.0)	1m 43s
call-build-images / build (zmsstatistic, 8.0)	2m 40s
call-build-images / build (zmsticketprinter, 8.0)	2m 49s
	26m 18s

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