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[[Category: Detection]]
<section begin=image/>[[File:Count Within Steps.png|alt=The count within steps|thumb]]<section end=image/><p id="tooltip">Provides the number of agents of a selected breed within a specified radius of itself. Use 200 steps to cover the entire terrain.</p>

<section begin="name" />'''<code>count [▼] within [_] steps</code>'''<section end="name" /> is a [[code block]] part of the [[Detection]] drawer.

==Usage==
<code>count [▼] within [_] steps</code> is used to provide the number of agents of a selected breed that exist within a given [[step]] limit in [[Spaceland]].

==Syntax==

[[File:Count Within Steps Nums.png|right|alt=The Create Each Do Block|thumb]]
<!-- <code>count [Dropdown: Type of Agent](s) within [Textbox: Number] steps</code> -->
Inputs in this block:
#a breed from the dropdown menu (to count)
#a number into the socket

==Example==

[[File:count_within_steps_example.gif|alt=Count Within Steps example gif|thumb]]
[[File:count_within_steps_example.png|alt=Count Within Steps example code|thumb]]

While the ‘mingle’ button is toggled on, agents with the color red are treated as having a disease and will spread that disease by sneezing.  Agents proximal to the sneeze particles, as detected by the ‘count within’ block, will be more likely to contract the disease.

==Common Uses==
*A common use of the <code>count [▼] within [_]</code> block is to monitor the total population of agents of a select breed. To do this, simply ask [[Special:MyLanguage/The World|The World]] agent to count the number of agents within some large number of steps (400 will do).

==Nuances==

==Related Blocks==
*<code>[[Count Within Steps With =|count [▼] within [_] with [▼] = [_]]]</code>