To view documentation about transformation functions:

1. Navigate to the Unified Dataset tab of a Schema Mapping project.
2. Choose Show transformations and then choose View function docs.

OR

1. Navigate to the Unified Dataset tab of a Schema Mapping project.
2. Choose Show transformations and then choose an existing Script or Formula function.
3. Ctrl + Click a function name in the transformation to view the documentation for that specific function.

OR

1. Browse directly to <instance-url>/function-docs, such as http://tamr.mydomain.com:9100/function-docs.