Grouped Concatenation

properties.aggregate.concat

Input:

objects – Property-Holder
id_key – String
value_key – String
separator – String
out_key – String

Output:

output – Row

For each value from id_key concatenates all occurrences of values fromvalue_key to a single string. Optionally, a separator separator can be specified, which will then be placed between the individual values. The output key defaults to value_key but can be overridden with out_key.