diff --git a/seqs/onlyoffice.sh b/seqs/onlyoffice.sh
index d45c98a..7bf61eb 100755
--- a/seqs/onlyoffice.sh
+++ b/seqs/onlyoffice.sh
@@ -17,35 +17,45 @@ dockerDnsEntry=
 
 # Get script working directory
 # (when called from a different directory)
-WDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >>/dev/null 2>&1 && pwd )"
-CONFIG_FILE="$WDIR/${toolName}.cfg"
-CONFIG_FILE_DEFAULT="${CONFIG_FILE}.example"
+WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
+APTOPT=
+CONFIG=0
+SCRIPT_FILE=$(basename -- $0)
+SCRIPT_NAME=${SCRIPT_FILE%%.*}
+CONFIG_FILE_NAME="${SCRIPT_NAME}.cfg"
+CONFIG_FILE_TEMPLATE="$WDIR/${CONFIG_FILE_NAME}.example"
 
 step_config() {
-  if [ ! -s "$CONFIG_FILE" ] && [ ! -s "$CONFIG_FILE_DEFAULT" ] ; then
-    echoerr " [E] No configuration \"$CONFIG_FILE_DEFAULT\" or \"$CONFIG_FILE\" found"
-    exit 1;
-  fi
-  if [ -s "$CONFIG_FILE" ] ; then
-    . "$CONFIG_FILE"
+  ## Called once before executing steps.
+  ## e.g. to source a config file manually:
+  #. "$CONFIG_FILE"
+
+  ## or to use sequencer api with global config file:
+  initSeqConfig "$CONFIG_FILE_NAME" "$CONFIG_FILE_TEMPLATE"
+
+  ## or to use sequencer api with profile config file support:
+  #initSeqConfig -p "$SCRIPT_NAME" "$CONFIG_FILE_TEMPLATE"
+  if [ $? -eq 0 ] ; then
+    CONFIG=1
   else
-    echoerr " [W] User configuration \"$CONFIG_FILE\" not found. Using \"$CONFIG_FILE_DEFAULT\""
-    . "$CONFIG_FILE_DEFAULT"
+    # End if no configuration file exists
+    [ $DRY -eq 0 ] && return -1
   fi
+
+  ## Apt cmdline option to suppress user interaction
+  [ $QUIET -ne 0 ] && APTOPT="-y"
+  
   dockerDnsEntry="DOCKER_OPTS=\"--dns $dockerDns1 --dns $dockerDns2\""
+
+  ## Return of non zero value will abort the sequence
+  return 0
 }
 
 step_1_info() { echo "Install Docker dependencies"; }
 step_1_alias() { ALIAS="install"; }
 step_1() {
-  local aptOption=
   exe apt update
-  if [ $QUIET -ne 0 ] ; then
-    aptOption="-y"
-  else
-    aptOption=""
-  fi
-  exe apt install $dockerDeps $aptOption
+  exe apt install $dockerDeps $APTOPT
   endReturn -o $? "Docker dependencies installation failed"
 }