version = 1

[source]
name = "source_name"
file = "source_file"
tab = 1

[externals.target]
extern_key = "\"_B\""
# Here, the values A & B are considered as column, and not litteral
intern_key = "function(:A, :B)"
allow_missing = true
file = ""
tab = 1

[sheet]
columns = [
    "function(:target.A, :B, 'free\\' text')",
    "counter([:target.A],[:target.A])"
]