diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommand10BitVideo/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommand10BitVideo/1.0.0/index.js
index 90f7d2b..52954fc 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommand10BitVideo/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommand10BitVideo/1.0.0/index.js
@@ -5,6 +5,7 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
 var os_1 = __importDefault(require("os"));
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 var details = function () { return ({
     name: '10 Bit Video',
@@ -32,6 +33,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     for (var i = 0; i < args.variables.ffmpegCommand.streams.length; i += 1) {
         var stream = args.variables.ffmpegCommand.streams[i];
         if (stream.codec_type === 'video') {
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandCropBlackBars/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandCropBlackBars/1.0.0/index.js
index 20439f7..7a713c6 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandCropBlackBars/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandCropBlackBars/1.0.0/index.js
@@ -1,6 +1,7 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 var details = function () { return ({
     name: 'Crop Black Bars',
@@ -29,6 +30,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     return {
         outputFileObj: args.inputFileObj,
         outputNumber: 1,
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandCustomArguments/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandCustomArguments/1.0.0/index.js
index 4bb3829..050df91 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandCustomArguments/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandCustomArguments/1.0.0/index.js
@@ -1,6 +1,7 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 var details = function () { return ({
     name: 'Custom Arguments',
@@ -50,6 +51,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     var inputArguments = String(args.inputs.inputArguments);
     var outputArguments = String(args.inputs.outputArguments);
     if (inputArguments) {
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandEnsureAudioStream/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandEnsureAudioStream/1.0.0/index.js
index 0acee6a..2d2deb8 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandEnsureAudioStream/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandEnsureAudioStream/1.0.0/index.js
@@ -2,6 +2,7 @@
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
 var fileUtils_1 = require("../../../../FlowHelpers/1.0.0/fileUtils");
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 var details = function () { return ({
     name: 'Ensure Audio Stream',
@@ -224,6 +225,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     var audioEncoder = String(args.inputs.audioEncoder);
     var langTag = String(args.inputs.language).toLowerCase();
     var wantedChannelCount = Number(args.inputs.channels);
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandExecute/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandExecute/1.0.0/index.js
index 49605db..8139245 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandExecute/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandExecute/1.0.0/index.js
@@ -193,6 +193,8 @@ var plugin = function (args) { return __awaiter(void 0, void 0, void 0, function
                     throw new Error('FFmpeg failed');
                 }
                 args.logOutcome('tSuc');
+                // eslint-disable-next-line no-param-reassign
+                args.variables.ffmpegCommand.init = false;
                 return [2 /*return*/, {
                         outputFileObj: {
                             _id: outputFilePath,
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandHdrToSdr/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandHdrToSdr/1.0.0/index.js
index 6cda6f2..cdb7db0 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandHdrToSdr/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandHdrToSdr/1.0.0/index.js
@@ -1,6 +1,7 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 var details = function () { return ({
     name: 'HDR to SDR',
@@ -28,6 +29,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     args.variables.ffmpegCommand.streams.forEach(function (stream) {
         if (stream.codec_type === 'video') {
             stream.outputArgs.push('-vf', 'zscale=t=linear:npl=100,format=yuv420p');
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandNormalizeAudio/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandNormalizeAudio/1.0.0/index.js
index 26fcf9c..61a8eda 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandNormalizeAudio/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandNormalizeAudio/1.0.0/index.js
@@ -1,6 +1,7 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 var details = function () { return ({
     name: 'Normalize Audio',
@@ -29,6 +30,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     return {
         outputFileObj: args.inputFileObj,
         outputNumber: 1,
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveDataStreams/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveDataStreams/1.0.0/index.js
index dea876d..9161089 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveDataStreams/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveDataStreams/1.0.0/index.js
@@ -2,6 +2,7 @@
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint-disable no-param-reassign */
 var details = function () { return ({
     name: 'Remove Data Streams',
@@ -29,6 +30,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     args.variables.ffmpegCommand.streams.forEach(function (stream) {
         if (stream.codec_type === 'data') {
             stream.removed = true;
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveStreamByProperty/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveStreamByProperty/1.0.0/index.js
index 67b26a2..a4bfac0 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveStreamByProperty/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveStreamByProperty/1.0.0/index.js
@@ -1,6 +1,7 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 var details = function () { return ({
     name: 'Remove Stream By Property',
@@ -63,6 +64,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     var propertyToCheck = String(args.inputs.propertyToCheck).trim();
     var valuesToRemove = String(args.inputs.valuesToRemove).trim().split(',').map(function (item) { return item.trim(); });
     var condition = String(args.inputs.condition);
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveSubtitles/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveSubtitles/1.0.0/index.js
index 49b4a0b..ea722d3 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveSubtitles/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRemoveSubtitles/1.0.0/index.js
@@ -2,6 +2,7 @@
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint-disable no-param-reassign */
 var details = function () { return ({
     name: 'Remove Subtitles',
@@ -29,6 +30,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     args.variables.ffmpegCommand.streams.forEach(function (stream) {
         if (stream.codec_type === 'subtitle') {
             stream.removed = true;
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRorderStreams/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRorderStreams/1.0.0/index.js
index 101d047..9c828a2 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRorderStreams/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandRorderStreams/1.0.0/index.js
@@ -1,6 +1,7 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 var details = function () { return ({
     name: 'Reorder Streams',
@@ -79,6 +80,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     var streams = JSON.parse(JSON.stringify(args.variables.ffmpegCommand.streams));
     streams.forEach(function (stream, index) {
         // eslint-disable-next-line no-param-reassign
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetContainer/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetContainer/1.0.0/index.js
index e6b1c35..af48a2d 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetContainer/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetContainer/1.0.0/index.js
@@ -3,6 +3,7 @@
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
 var fileUtils_1 = require("../../../../FlowHelpers/1.0.0/fileUtils");
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint-disable no-param-reassign */
 var details = function () { return ({
     name: 'Set Container',
@@ -55,6 +56,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     var newContainer = String(args.inputs.container);
     var forceConform = args.inputs.forceConform;
     if ((0, fileUtils_1.getContainer)(args.inputFileObj._id) !== newContainer) {
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVdeoFramerate/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVdeoFramerate/1.0.0/index.js
index e96f23d..fdb27ac 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVdeoFramerate/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVdeoFramerate/1.0.0/index.js
@@ -1,6 +1,7 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 var details = function () { return ({
     name: 'Set Video Framerate',
@@ -40,6 +41,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     var desiredFrameRate = Number(args.inputs.framerate);
     args.jobLog("Desired framerate: ".concat(desiredFrameRate));
     args.variables.ffmpegCommand.streams.forEach(function (stream) {
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVdeoResolution/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVdeoResolution/1.0.0/index.js
index 88e8ca6..5e63ad2 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVdeoResolution/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVdeoResolution/1.0.0/index.js
@@ -1,6 +1,7 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 var details = function () { return ({
     name: 'Set Video Resolution',
@@ -65,6 +66,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     for (var i = 0; i < args.variables.ffmpegCommand.streams.length; i += 1) {
         var stream = args.variables.ffmpegCommand.streams[i];
         if (stream.codec_type === 'video') {
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVideoBitrate/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVideoBitrate/1.0.0/index.js
index 4ba49f9..7ccb353 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVideoBitrate/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVideoBitrate/1.0.0/index.js
@@ -2,6 +2,7 @@
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
 var fileUtils_1 = require("../../../../FlowHelpers/1.0.0/fileUtils");
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
 var details = function () { return ({
     name: 'Set Video Bitrate',
@@ -115,6 +116,7 @@ var plugin = function (args) {
     var lib = require('../../../../../methods/lib')();
     // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
     args.inputs = lib.loadDefaultValues(args.inputs, details);
+    (0, flowUtils_1.checkFfmpegCommandInit)(args);
     var useInputBitrate = args.inputs.useInputBitrate;
     var targetBitratePercent = String(args.inputs.targetBitratePercent);
     var fallbackBitrate = String(args.inputs.fallbackBitrate);
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVideoEncoder/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVideoEncoder/1.0.0/index.js
index a7e09b0..34f90f3 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVideoEncoder/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandSetVideoEncoder/1.0.0/index.js
@@ -39,6 +39,7 @@ var __generator = (this && this.__generator) || function (thisArg, body) {
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.plugin = exports.details = void 0;
 var hardwareUtils_1 = require("../../../../FlowHelpers/1.0.0/hardwareUtils");
+var flowUtils_1 = require("../../../../FlowHelpers/1.0.0/interfaces/flowUtils");
 /* eslint-disable no-param-reassign */
 var details = function () { return ({
     name: 'Set Video Encoder',
@@ -217,6 +218,7 @@ var plugin = function (args) { return __awaiter(void 0, void 0, void 0, function
                 lib = require('../../../../../methods/lib')();
                 // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
                 args.inputs = lib.loadDefaultValues(args.inputs, details);
+                (0, flowUtils_1.checkFfmpegCommandInit)(args);
                 hardwareDecoding = args.inputs.hardwareDecoding === true;
                 hardwareType = String(args.inputs.hardwareType);
                 args.variables.ffmpegCommand.hardwareDecoding = hardwareDecoding;
diff --git a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandStart/1.0.0/index.js b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandStart/1.0.0/index.js
index d00a4ac..e9f79cf 100644
--- a/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandStart/1.0.0/index.js
+++ b/FlowPlugins/CommunityFlowPlugins/ffmpegCommand/ffmpegCommandStart/1.0.0/index.js
@@ -44,6 +44,7 @@ var plugin = function (args) {
     args.inputs = lib.loadDefaultValues(args.inputs, details);
     var container = (0, fileUtils_1.getContainer)(args.inputFileObj._id);
     var ffmpegCommand = {
+        init: true,
         inputFiles: [],
         streams: JSON.parse(JSON.stringify(args.inputFileObj.ffProbeData.streams)).map(function (stream) { return (__assign(__assign({}, stream), { removed: false, mapArgs: [
                 '-map',
diff --git a/FlowPlugins/FlowHelpers/1.0.0/interfaces/flowUtils.js b/FlowPlugins/FlowHelpers/1.0.0/interfaces/flowUtils.js
new file mode 100644
index 0000000..1b137a8
--- /dev/null
+++ b/FlowPlugins/FlowHelpers/1.0.0/interfaces/flowUtils.js
@@ -0,0 +1,15 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.checkFfmpegCommandInit = void 0;
+// eslint-disable-next-line import/prefer-default-export
+var checkFfmpegCommandInit = function (args) {
+    var _a, _b;
+    if (!((_b = (_a = args === null || args === void 0 ? void 0 : args.variables) === null || _a === void 0 ? void 0 : _a.ffmpegCommand) === null || _b === void 0 ? void 0 : _b.init)) {
+        throw new Error('FFmpeg command plugins not used correctly.'
+            + ' Please use the "Begin Command" plugin before using this plugin.'
+            + ' Afterwards, use the "Execute" plugin to execute the built FFmpeg command.'
+            + ' Once the "Execute" plugin has been used, you need to use a new "Begin Command"'
+            + ' plugin to start a new FFmpeg command.');
+    }
+};
+exports.checkFfmpegCommandInit = checkFfmpegCommandInit;