cap( 'variable_name', ... )
Table 1. Legend
Syntax conventions Description
Lowercase and uppercase Literal keyword. Includes ().
Italics Variable value. Replace with a user-defined value.
[] Optional. Square brackets ( [] ) surround optional command arguments. Do not type the square brackets.
{} Group. Braces ( {} ) identify a group to choose from. Do not type the braces.
| Or. A vertical bar ( | ) separates alternative elements. Type any one of the elements. Do not type the vertical bar.
... Repeatable. An ellipsis ( ... ) indicates that you can repeat the syntax element as often as required.


The cap() step is a barrier step that iterates the traversal up to itself and returns the referenced object by the provided key. If multiple keys are provided, then a map of objects is returned.


Get the count of each vertex label and return as a map of vertex label : count value key-value pairs: