Misplaced Pages

This is a documentation subpage for Module:Params/doc/examples/check for unknown parameters. It may contain usage information, categories and other content that is not part of the original module page.

This example template shows to use {{#invoke:params|discarding|...}} to check for unknown parameters.

Usage

For instance, writing

{{module:params/doc/examples/check for unknown parameters
	| hello = world
	| wind = surfing
}}

will generate

Everything is good: do something

while writing

{{module:params/doc/examples/check for unknown parameters
	| hello = world
	| wind = surfing
	| wrong = ups!
}}

will generate

Error: The only parameters accepted are |hello= and |wind=.

For simple cases like this specialized modules are available; you might want to have a look at:

• {{#invoke:Check for unknown parameters|check}}
• {{#invoke:Check for deprecated parameters|check}}
• {{#invoke:Check for clobbered parameters|check}}
• {{#invoke:Parameter validation|validateparams}}
• {{#invoke:TemplatePar|valid}}