Context Service API Documentation

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====== Requesting event categories ======
An event category is a group of different kind of context information. This can be ACTIVITY, BIO or ENVIRONMENT. The categories aren't supposed to be changed. Categories can be used as a filter for requesting context models.

===== Authentication required =====
Yes, please take a look at [[version_3:authentication|Authentication]]. To keep it simple, only the //data// parameter is mentioned on this page, but keep in mind that the other parameters are also necessary.

===== Response =====
JSON

===== Method =====
GET

===== Resource URL =====
http://api.learning-context.de/3/env/categories

===== Parameters =====
The JSON object //data// is not necessary here since there is no need to transfer any parameters.

===== Example =====

==== Request ====
<code js-script>
data={
}
</code>
or do not transfer //data// at all.

==== Response ====
<code js-script>
{
   "APIVersion":3,
   "result":1,
   "categories":[
      "ACTIVITY",
      "BIO",
      "ENVIRONMENT"
   ]
}
</code>

In case of an error, a different response is sent. Please take a look at [[version_3:errors|Error Responses]].

Context Service API Documentation

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