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## 3.10 Using Substitution Strings

Use substitution strings within templates, region source, or any attribute to pass information and replace a character string with another value.

Note:

If an attribute supports substitutions, Page Designer help includes the section called Additional Information which describes the supported substitution strings. See Viewing Help in Page Designer.

- About Using Substitution Strings
  Learn about using substitution strings.
- Controlling Output Escaping in Substitution Strings
  Learn about controlling output escaping in substitution strings.
- Viewing Supported Substitution Strings for a Template
  View supported substitution strings in templates in the template definition.
- Using Built-in Substitution Strings
  Learn about built-in substitution strings available in App Builder.

Parent topic: App Builder Concepts