Initializing help system before first use

vdl-action-group-by

Group data by one of its keys and return a new array of objects in the format: [ { key: "key", values: ["values"] } ]

Required parent element

Must be contained within one of the following elements:

Example

<vdl-action-group name="groupBy">
  <vdl-action-group-by data="[{key:[x,y], value:val}]" set-position="0" default-keys="=[x,y,z]"></vdl-action-group-by>
</vdl-action-group>

Attributes

data The data which is to be grouped. If the data attribute is not set then the current value from the VDL action group will be used. accepts expression
default-keys The keys in this array will always be present.Required format is an array, duplicates will be removed. requires expression
set-position The position of the key you wish to group data by. For example: key[x,y] to sort by y set-position="1" accepts expression

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