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<?xml version="1.0"?>
<!--
###################################################
##Parameter block: a grc variable with key, value
###################################################
-->
<block>
<name>Parameter</name>
<key>parameter</key>
<make>$value</make>
<param>
<name>Label</name>
<key>label</key>
<value></value>
<type>string</type>
<hide>#if $label() then 'none' else 'part'#</hide>
</param>
<param>
<name>Value</name>
<key>value</key>
<value>0</value>
<type>$type.type</type>
</param>
<param>
<name>Type</name>
<key>type</key>
<value></value>
<type>enum</type>
<hide>$type.hide</hide>
<option>
<name>None</name>
<key></key>
<opt>type:raw</opt>
<opt>hide:part</opt>
</option>
<option>
<name>Complex</name>
<key>complex</key>
<opt>type:complex</opt>
<opt>hide:none</opt>
</option>
<option>
<name>Float</name>
<key>eng_float</key>
<opt>type:real</opt>
<opt>hide:none</opt>
</option>
<option>
<name>Int</name>
<key>int</key>
<opt>type:int</opt>
<opt>hide:none</opt>
</option>
<option>
<name>Long</name>
<key>long</key>
<opt>type:int</opt>
<opt>hide:none</opt>
</option>
<option>
<name>String</name>
<key>string</key>
<opt>type:string</opt>
<opt>hide:none</opt>
</option>
</param>
<doc>
This block represents a parameter to the flow graph. \
A parameter can be used to pass command line arguments into a top block. \
Or, parameters can pass arguments into an instantiated hierarchical block.
The paramater value cannot depend on any variables.
Leave the label blank to use the parameter id as the label. \
The label only applies when this flow graph is instantiated as a hierarchical block.
When type is not None, this parameter also becomes a command line option of the form --[id] [value].
</doc>
</block>
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