lucene-solr:master: SOLR-10504: Add documentation

[jb...@apache.org]

Repository: lucene-solr
Updated Branches:
  refs/heads/master 401539758 -> b0f44ad69


SOLR-10504: Add documentation


Project: http://git-wip-us.apache.org/repos/asf/lucene-solr/repo
Commit: http://git-wip-us.apache.org/repos/asf/lucene-solr/commit/b0f44ad6
Tree: http://git-wip-us.apache.org/repos/asf/lucene-solr/tree/b0f44ad6
Diff: http://git-wip-us.apache.org/repos/asf/lucene-solr/diff/b0f44ad6

Branch: refs/heads/master
Commit: b0f44ad69129f0533317f5bcdd8d7dea1556cd8e
Parents: 4015397
Author: Joel Bernstein <jb...@apache.org>
Authored: Thu Jun 1 15:56:05 2017 -0400
Committer: Joel Bernstein <jb...@apache.org>
Committed: Thu Jun 1 15:56:05 2017 -0400

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 solr/solr-ref-guide/src/stream-sources.adoc | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/lucene-solr/blob/b0f44ad6/solr/solr-ref-guide/src/stream-sources.adoc
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diff --git a/solr/solr-ref-guide/src/stream-sources.adoc b/solr/solr-ref-guide/src/stream-sources.adoc
index ad91eb3..fcd006c 100644
--- a/solr/solr-ref-guide/src/stream-sources.adoc
+++ b/solr/solr-ref-guide/src/stream-sources.adoc
@@ -113,7 +113,14 @@ jdbc(
 ----
 
 == echo
-//TODO
+
+The `echo` function returns a single Tuple echoing its text parameter. `Echo` is the simplest stream source designed to provide text
+to a text analyzing stream decorator.
+
+[source,text]
+----
+echo("Hello world")
+----
 
 == facet