Developing Apama Applications > Apama EPL Reference > Expressions > Primary expressions
Primary expressions
The primary expression is the simplest form of expression. It can take the following forms:
PrimaryExp
Identifiers in expressions
In an expression, an identifier is a variable name, an instance method name, a type method name, or an action name.
Literals in expressions
A literal in an expression is a compile-time constant value as described in Literals.
ParenthesizedExpression
Copyright © 2013 Software AG, Darmstadt, Germany and/or Software AG USA Inc., Reston, VA, USA, and/or Terracotta Inc., San Francisco, CA, USA, and/or Software AG (Canada) Inc., Cambridge, Ontario, Canada, and/or, Software AG (UK) Ltd., Derby, United Kingdom, and/or Software A.G. (Israel) Ltd., Or-Yehuda, Israel and/or their licensors.