Implode

Syntax:

Implode var1 [var2 ... varN] Into newvar [By glue]

Unites the contents of the variables var1 [var2...varN] into one string and saves it into the variable newvar. The uniting symbol can be pointed in the parameter glue.
Example:

# assign to "a" value "foo bar foobar"
Set a foo\ bar\ foobar
# search for the words which begin with "foo"
Filter Search a WithParams pattern=#foo.*\b# name=b
# unite founded words into single string
Implode b Into c By ,
# print the result
Dump c

Result:

c => foo,foobar