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Line 42: − You will notice that named parameters have the parameter name followed by an equals sign (=) followed by whatever you want that to be.+ + + + + − Parameters shown with numbers are the un-named parameters. You ''can'' treat them as named parameters, by typing {{tt|1=1=''your text''}}, but this is not necessary, except in the case that you want your text to include an equals sign (=).+
→Parameters: Clarify parameter passing
Parameters can be optional or required, and they can be named or not named. In the example above, the first parameter ("Joker") was not named, but the second ("from Batman") was named ''sig''. Two points need to be kept in mind with parameters:
Parameters can be optional or required, and they can be named or not named. In the example above, the first parameter ("Joker") was not named, but the second ("from Batman") was named ''sig''. Two points need to be kept in mind with parameters:
* Named parameters can be supplied in any order.
* '''Named parameters''' can be supplied in any order.
* Un-named parameters must be supplied in the correct order.
* '''Un-named parameters''' must be supplied in the correct order.
See below for how parameters are provided to templates.
Each template has (or will have) a list of parameters, looking something like this (this one is from the {{tl|welcome}} template):
Each template has (or will have) a list of parameters, looking something like this (this one is from the {{tl|welcome}} template):
{{Parms|
{{Parms|
You can assume that if no default is shown for a parameter that is not required, the result will be blank (i.e. in this case, the welcome message would not show who it was from).
You can assume that if no default is shown for a parameter that is not required, the result will be blank (i.e. in this case, the welcome message would not show who it was from).
To supply a value to a '''named parameters''', put the parameter name followed by an equals sign (=) followed by whatever you want that to be. In the example above, this is {{tt|<nowiki>sig=~~~~</nowiki>}}.
Parameters shown with numbers are the '''un-named parameters'''. You ''can'' treat them as named parameters, by typing {{tt|1=1=''your text''}}, but this is not necessary, except in the case that you want your text to include an equals sign (=). Normally you just supply the value, such as {{tt|YourUserName}}.
Each parameter is separated from each other, and from the template name, by a 'pipe' character: {{tt|{{!}}}}.
So supplying both parameters in the {{tl|welcome}} template would look like this: {{tt|<nowiki>{{welcome|YourUserName|sig=~~~~}}</nowiki>}}.
=== What do you pass to parameters? ===
=== What do you pass to parameters? ===