The array join transform function is used to join elements of an array as a string, with a user-defined delimiter. For example, you might have product data in an array:
...and need to convert these items to a string before pushing to a single destination field (with each item in the string delimited by a character of your choice):
Step 1 In your process flow, access settings for your map shape:
Step 2 Select the add transform icon for the required mapping rule - for example:
Step 3 Click the add transform button:
Step 4 Click in the name field to access a list of all available transform functions, then select join from the array category:
Step 5 In the delimiter field, enter the character that you want to use to delimit each array field in the string:
A space is a valid character.
Step 6 Click the add field button:
Step 7 Click in source fields and select the source field to be used for this transform:
Step 8 Accept your changes (twice).
Step 9 Save the transform. You'll notice that the transform icon is updated to indicate that a transform function is present for the mapping row - for example:
