Within the
<% %> brackets you can of course declare variables:
And then re-use those variables further down the page:
However, within the scope of a GSP there are a number of pre-defined variables including:
application - The javax.servlet.ServletContext instance
applicationContext The Spring ApplicationContext instance
flash - The flash object
grailsApplication - The api:org.codehaus.groovy.grails.commons.GrailsApplication instance
out - The response writer for writing to the output stream
params - The params object for retrieving request parameters
request - The HttpServletRequest instance
response - The HttpServletResponse instance
session - The HttpSession instance
webRequest - The api:org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest instance