Fb:random

From Facebook Developers Wiki

Contents 1 Description 2 Attributes 3 Examples 4 Notes

[edit] Description

Randomly chooses an item inside the tags based on the weights provided.

fb:random allows the developer to input a series of tags, of which one or more are shown randomly. Each item can have a weight and the tag can be specified to show more than one choice. Each option should be wrapped in an fb:random-option tag.

[edit] Attributes

Required	Name	Type	Description
optional	pick	int	The number of items to choose from the random subset. (default value is 1)
	unique	bool	Indicates whether to force uniqueness if pick > 1. (default value is true)

[edit] Examples

<fb:random> <fb:random-option weight="2">A: This will be shown 2 times as often as B.</fb:random-option> <fb:random-option weight="1">B: This will be show half as often as A</fb:random-option> </fb:random>

a screenshot is not applicable for this tag

[edit] Notes

• Weights of options are relative to the number of options left, which shrinks if unique==true and pick>1.
• Weights of options can be any float > 0. The weights are relative to each other, not necessarily to 1.
• This tag may contain fb:random-option.