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This topic describes how to use lookups when configuring workflow actions.
Lookups allow you to reference and set values at run time. For example, the action Send notification allows you to set the subject line to the value of a selected list or library column.
List Lookup lookups are helpful for environment-specific configuration values. Create a list to hold configuration variables and then use List Lookup to retrieve the settings at runtime that may differ between development and production environments. Using List Lookup helps avoid hard-coded settings in workflow templates that have to be changed when deployed to new environments.
Workflow Context lookups allow you to return values of common references as different data types (string, number, etc.).
To use a lookup