diff --git a/public/gatk-queue-extensions-public/src/main/scala/org/broadinstitute/gatk/queue/extensions/picard/CollectWgsMetrics.scala b/public/gatk-queue-extensions-public/src/main/scala/org/broadinstitute/gatk/queue/extensions/picard/CollectWgsMetrics.scala
new file mode 100644
index 000000000..923ce0005
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+++ b/public/gatk-queue-extensions-public/src/main/scala/org/broadinstitute/gatk/queue/extensions/picard/CollectWgsMetrics.scala
@@ -0,0 +1,70 @@
+/*
+* Copyright 2012-2015 Broad Institute, Inc.
+* 
+* Permission is hereby granted, free of charge, to any person
+* obtaining a copy of this software and associated documentation
+* files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use,
+* copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following
+* conditions:
+* 
+* The above copyright notice and this permission notice shall be
+* included in all copies or substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
+* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+package org.broadinstitute.gatk.queue.extensions.picard
+
+import org.broadinstitute.gatk.utils.commandline.{Argument, Output, Input}
+import java.io.File
+
+class CollectWgsMetrics extends org.broadinstitute.gatk.queue.function.JavaCommandLineFunction with PicardMetricsFunction {
+  analysisName = "CollectWgsMetrics"
+  javaMainClass = "picard.analysis.CollectWgsMetrics"
+
+  @Input(doc = "The input SAM or BAM files to analyze", shortName = "i", fullName = "input_bam_files", required = true)
+  var input: Seq[File] = Nil
+
+  @Output(doc = "The output file to write statistics to", shortName = "o", fullName = "output_file", required = true)
+  var output: File = _
+
+  @Argument(doc = "Reference file", shortName = "r", fullName = "reference", required = true)
+  var reference: File = _
+
+  @Argument(doc = "Minimum mapping quality for a read to contribute coverage.", shortName = "mq", fullName = "minimum_mapping_quality", required = false)
+  var mq: Integer = _
+
+  @Argument(doc = "Minimum base quality for a base to contribute coverage.", shortName = "q", fullName = "minimum_base_quality", required = false)
+  var q: Integer = _
+
+  @Argument(doc = "Treat bases with coverage exceeding this value as if they had coverage at this value.", shortName = "cap", fullName = "coverage_cap", required = false)
+  var cap: Integer = _
+
+  @Argument(doc = "For debugging purposes, stop after processing this many genomic bases.", fullName = "stop_after", required = false)
+  var stopAfter: Long = _
+
+  @Argument(doc = "Determines whether to include the base quality histogram in the metrics file.", fullName = "include_bq_histogram", required = false)
+  var includeBQHistogram: Boolean = _
+
+  override def inputBams = input
+
+  override def outputFile = output
+
+  override def commandLine = super.commandLine +
+    required("REFERENCE_SEQUENCE=" + reference) +
+    optional("MQ=", mq, spaceSeparated = false) +
+    optional("Q=", q, spaceSeparated = false) +
+    optional("CAP=", cap, spaceSeparated = false) +
+    optional("STOP_AFTER=", stopAfter, spaceSeparated = false) +
+    optional("INCLUDE_BQ_HISTOGRAM=", includeBQHistogram, spaceSeparated = false)
+}
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