Null to string transform function


The null to string transform function is used to convert incoming null values to an empty string. For example:

{"data_in":null} converted to:


Adding a null to string transform

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 null to string from the other category:

Step 5 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:

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