Sum Aggregation Usageedit

Fluent DSL exampleedit

a => a
.Sum("commits_sum", sm => sm
    .Field(p => p.NumberOfCommits)
)

Object Initializer syntax exampleedit

new SumAggregation("commits_sum", Field<Project>(p => p.NumberOfCommits))

Example json output. 

{
  "commits_sum": {
    "sum": {
      "field": "numberOfCommits"
    }
  }
}

Handling Responsesedit

response.ShouldBeValid();
var commitsSum = response.Aggregations.Sum("commits_sum");
commitsSum.Should().NotBeNull();
commitsSum.Value.Should().BeGreaterThan(0);