diff --git a/extractSigPredictHRD.wdl b/extractSigPredictHRD.wdl
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+version 1.0
+
+# Copyright (c) 2021 Leiden University Medical Center
+#
+# 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.
+
+task ExtractSigPredictHRD {
+    input {
+        String outputDir = "."
+        String sampleName
+        File snvIndelVcf
+        File snvIndelVcfIndex
+        File svVcf
+        File svVcfIndex
+
+        String memory = "8G"
+        Int timeMinutes = 15
+        String dockerImage = "quay.io/biowdl/chord-mutsigextractor:2.00_1.14"
+    }
+
+    command {
+        extractSigPredictHRD.R \
+        ~{outputDir} \
+        ~{sampleName} \
+        ~{snvIndelVcf} \
+        ~{svVcf} \
+    }
+
+    output {
+        File chordPrediction = "~{outputDir}/~{sampleName}_chord_prediction.txt"
+        File chordSignatures = "~{outputDir}/~{sampleName}_chord_signatures.txt"
+    }
+
+    runtime {
+        memory: memory
+        time_minutes: timeMinutes # !UnknownRuntimeKey
+        docker: dockerImage
+    }
+
+    parameter_meta {
+        outputDir: {description: "The directory the outout will be written to.", category: "required"}
+        sampleName: {description: "The name of the sample.", category: "required"}
+        snvIndelVcf: {description: "A VCF file with SNVs and indels.", category: "required"}
+        snvIndelVcfIndex: {description: "The index for the SNV/indel VCF file.", category: "required"}
+        svVcf: {description: "A VCF file with SVs.", category: "required"}
+        svVcfIndex: {description: "The index for the SV VCF file.", category: "required"}
+
+        memory: {description: "The amount of memory this job will use.", category: "advanced"}
+        timeMinutes: {description: "The maximum amount of time the job will run in minutes.", category: "advanced"}
+        dockerImage: {description: "The docker image used for this task. Changing this may result in errors which the developers may choose not to address.",
+                      category: "advanced"}
+    }
+}
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