How to concatenate 2 source fields into 1 target field on a transform

[Basha4]

In Field Map, in the source table, I have two fields and I want to add two fields and the result comes in the target table 

ex: First name & Last Name, both added and results may come in the target table

[Palanivel J]

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1) In Field Map, in the source table, I have two fields and I want to add two fields and the result comes in the target table

eg: First name & Last Name, both added and results may come in the target table.

Ans)

You can achieve either use a 𝐟𝐢𝐞𝐥𝐝 𝐦𝐚𝐩 on one source field (but then check the script box) or use the 𝐭𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦 𝐦𝐚𝐩 script (script field right in the center of the transform map itself) 

//for field map

var string = source.u_first_name.toString() + " " + source.u_last_name.toString();

return string;

(or)

//for transform map

var string = source.u_first_name.toString() + " " + source.u_last_name.toString();

target.field_name = string;

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