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grafana/docs/sources/variables/add-interval-variable.md
Diana Payton 9e8af660f5 Docs: Add a query variable topic (#25852) 
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+++ title = "Add an interval variable" type = "docs" [menu.docs] weight = 500 draft = "true" +++

Add an interval variable

Note: This is a draft topic, not included in the live build.

Use the Interval type to create a variable that represents a time span (eg. 1m,1h, 1d). There is also a special auto option that will change depending on the current time range. You can specify how many times the current time range should be divided to calculate the current auto timespan.

This variable type is useful as a parameter to group by time (for InfluxDB), Date histogram interval (for Elasticsearch) or as a summarize function parameter (for Graphite).

Example using the template variable myinterval of type Interval in a graphite function:

summarize($myinterval, sum, false)