SDX 6.4.x Services and Policies Guide > Defining and Acquiring Values for Parameters

Defining and Acquiring Values for Parameters

This chapter provides information about how the SAE acquires values for policies. It contains the following sections:

• Parameters and Substitutions
• Value Acquisition for Single Subscriptions
• Value Acquisition for Multiple Subscriptions
• Defining Parameters
• Formatting Substitutions
• Roles
• Expressions
• Adding Comments to Substitutions
• Validating Substitutions
• Example: Parameter Value Substitution