Webtags (preserving history): Difference between revisions

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=== Input modification Parameters ===
=== Input modification Parameters ===


Most web tags do not require any input parameters. There are currently only two types of tags where an input parameter is mandatory:
Most web tags do not require any input parameters. An input parameter is used where the same web tag can represent a value for a number of different past time instants. Each of those past time instants is represented by a different value for the input parameter. So a combination of web tag name and input parameter lets Cumulus to pick the value you want to see.


*The recent history tags where a separate one exists for [[#Recent_History|individual minutes in last week]] need input parameter specifying how many minutes ago is required. There are 3 separate input parameters that can be used alone or in combination as explained in relevant section.
There are currently only two types of tags where an input parameter is mandatory:
 
*The '''recent history tags''' where a separate value exists for potentially every [[#Recent_History|individual minute in last week]]. These tags need an input parameter specifying how many minutes ago is required. To save entering a very large number for minutes, an input parameter can combine days hours and minutes ago as explained in relevant section.
*The [[#Monthly_All_Time_Records]] where a separate one exists for each particular month (of any year) need input parameter specifying which month. Again see the respective section for full details of input parameter (which is 1 for January to 12 for December, but 0 is also available with a special meaning).
*The [[#Monthly_All_Time_Records]] where a separate one exists for each particular month (of any year) need input parameter specifying which month. Again see the respective section for full details of input parameter (which is 1 for January to 12 for December, but 0 is also available with a special meaning).


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