Are you perhaps looking for
julia> a=1; b=2; c=3;
julia> @info """my msg
$a
$b
$c
"""
┌ Info: my msg
│ 1
│ 2
└ 3
Are you perhaps looking for
julia> a=1; b=2; c=3;
julia> @info """my msg
$a
$b
$c
"""
┌ Info: my msg
│ 1
│ 2
└ 3