The cast to number transform function is used to change the data type associated with a source field from string to number. For example, you might have an id field in a source system that's stored as number value, but your destination system expects the id to be a string.
Adding a cast to number transform
Step 1
In your process flow, access settings for your map shape:
Step 2
Select the add transform button 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 cast to number from the string category:
Step 5
Click the add field button:
Step 6
Click in source fields and select the source field to be used for this transform:
Step 7
Accept your changes (twice).
Step 8
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:
