[GitHub] [tinkerpop] jorgebay commented on a change in pull request #1189: TINKERPOP-2284 Added elementMap() step

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jorgebay commented on a change in pull request #1189: TINKERPOP-2284 Added elementMap() step
URL: https://github.com/apache/tinkerpop/pull/1189#discussion_r322684031
 
 

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 File path: docs/src/reference/the-traversal.asciidoc
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 @@ -829,6 +829,37 @@ g.V()
 
 * link:++http://tinkerpop.apache.org/javadocs/x.y.z/core/org/apache/tinkerpop/gremlin/process/traversal/dsl/graph/GraphTraversal.html#drop--++[`drop()`]
 
+[[elementmap-step]]
+=== ElementMap Step
+
+The `elementMap()`-step yields a `Map` representation of the structure of an element.
+
+[gremlin-groovy,modern]
+----
+g.V().elementMap()
+g.V().elementMap('age')
+g.V().elementMap('age','blah')
+g.E().elementMap()
+----
+
+It is important to note that the map of a vertex assumes that cardinality for each key is `single` and if it is `list`
+then only the first item encountered will be returned. As `single` is the more common cardinality for properties this
 
 Review comment:
   Good call!

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