conditions.

param is time int, to str.

param is time str.

2006-01-02 23:59:59.

2006-01-02 00:00:00.

{ "Fn::Join" : [ ":", [ "a", "b", "c" ] ] }.

.

Replace(s, old, new string, n int) string { "Fn::Replace" : ["2019-01-01" , "-", "/"] } => "2019/01/01".

{ "Fn::Select" : [ "1", [ "apples", "grapes", "oranges", "mangoes" ] ] }.

{ "Fn::Split" : [ "|" , "a|b|c" ] }.

{ "Fn::Substitute" : [ String, { Var1Name: Var1Value, Var2Name: Var2Value } ] } { "Fn::Substitute" : [ "www.${var1}", { "var1": "value1"} ]}.

SubString(s, start_position, end_position) string { "Fn::SubString" : ["2019-01-01" , 1, 3] } => "019".

{ "Fn::TimeStampOffset" : [ "time" , "offset", "unit" ] }.

.

.