diff --git a/src/actions/index.ts b/src/actions/index.ts
index 66a5cd6..657bc55 100644
--- a/src/actions/index.ts
+++ b/src/actions/index.ts
@@ -35,3 +35,4 @@ export * from './submitCatalog';
 export * from "./pipelineDeploy";
 export * from "./updateOrgSettings";
 export * from "./setGovernanceConfig";
+export * from "./syncSolution";
diff --git a/src/actions/syncSolution.ts b/src/actions/syncSolution.ts
new file mode 100644
index 0000000..bf85cb9
--- /dev/null
+++ b/src/actions/syncSolution.ts
@@ -0,0 +1,52 @@
+import { RunnerParameters } from "../Parameters";
+import { CommonActionParameters, HostParameterEntry, IHostAbstractions } from "../host/IHostAbstractions";
+import { authenticateEnvironment, clearAuthentication } from "../pac/auth/authenticate";
+import { AuthCredentials } from "../pac/auth/authParameters";
+import { SolutionPackUnpackParameters } from "./actionParameters";
+import { InputValidator } from "../host/InputValidator";
+import createPacRunner from "../pac/createPacRunner";
+
+export type SyncSolutionParameters = Pick<SolutionPackUnpackParameters, | "mapFile" | "localize"> & CommonActionParameters & {
+  credentials: AuthCredentials;
+  environmentUrl: string;
+  include?: HostParameterEntry;
+  solutionType?: HostParameterEntry;
+  solutionFolder: HostParameterEntry;
+  async?: HostParameterEntry;
+  maxAsyncWaitTimeInMin?: HostParameterEntry;
+};
+
+export async function syncSolution(parameters: SyncSolutionParameters, runnerParameters: RunnerParameters, host: IHostAbstractions): Promise<void> {
+
+  const logger = runnerParameters.logger;
+  const pac = createPacRunner(runnerParameters);
+
+  try {
+    const authenticateResult = await authenticateEnvironment(pac, parameters.credentials, parameters.environmentUrl, logger);
+    logger.log("Authentication Result: " + authenticateResult);
+
+    const pacArgs = ["solution", "sync"];
+    const validator = new InputValidator(host);
+
+    validator.pushInput(pacArgs, "--solution-folder", parameters.solutionFolder);
+    validator.pushInput(pacArgs, "--include", parameters.include);
+    validator.pushInput(pacArgs, "--packagetype", parameters.solutionType);
+    validator.pushInput(pacArgs, "--map", parameters.mapFile);
+    validator.pushInput(pacArgs, "--localize", parameters.localize);
+    validator.pushInput(pacArgs, "--async", parameters.async);
+    validator.pushInput(pacArgs, "--max-async-wait-time", parameters.maxAsyncWaitTimeInMin);
+    validator.pushCommon(pacArgs, parameters);
+
+    logger.log("Calling pac cli inputs: " + pacArgs.join(" "));
+    const pacResult = await pac(...pacArgs);
+    logger.log("SyncSolution Action Result: " + pacResult);
+
+  } catch (error) {
+    // some sort of error
+    logger.error(`syncSolution failed: ${error instanceof Error ? error.message : error}`);
+    throw error;
+  } finally {
+    const clearAuthResult = await clearAuthentication(pac);
+    logger.log(`Cleared authentication: ${clearAuthResult}`);
+  }
+}
\ No newline at end of file
diff --git a/test/actions/mock/mockHost.ts b/test/actions/mock/mockHost.ts
index b56a598..434f06e 100644
--- a/test/actions/mock/mockHost.ts
+++ b/test/actions/mock/mockHost.ts
@@ -15,6 +15,7 @@ export class mockHost implements IHostAbstractions {
   solutionName = 'Mock-Solution';
   relativeSolutionPath = './ContosoSolution.zip';
   absoluteSolutionPath = (os.platform() === "win32") ? 'D:\\Test\\working\\ContosoSolution.zip' : '/Test/working/ContosoSolution.zip';
+  solutionFolder = (os.platform() === "win32") ? 'D:\\Test\\working\\folder' : '/Test/working/folder';
   deploymentSettingsFile = '/Test/deploymentSettings.txt';
   logDataFile = 'c:\\samplelogdata'
   maxAsyncWaitTime = '120';
@@ -71,6 +72,7 @@ export class mockHost implements IHostAbstractions {
       switch (entry.name) {
         case 'SolutionInputFile':
         case 'SolutionOutputFile': return this.relativeSolutionPath;
+        case 'SolutionFolder': return this.solutionFolder;
         case 'SolutionName': return this.solutionName;
         case 'MaxAsyncWaitTime': return this.maxAsyncWaitTime;
         case 'DeploymentSettingsFile': return this.deploymentSettingsFile;
@@ -146,5 +148,5 @@ export class MockArtifactStore implements IArtifactStore {
   public upload(artifactName: string, files: string[]): Promise<void> {
     console.log(`MockArtifactStore: name = ${artifactName}, files = ${files.join(', ')}`);
     return Promise.resolve();
-   }
+  }
 }
diff --git a/test/actions/syncSolution.test.ts b/test/actions/syncSolution.test.ts
new file mode 100644
index 0000000..9aff0a8
--- /dev/null
+++ b/test/actions/syncSolution.test.ts
@@ -0,0 +1,65 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import rewiremock from "../rewiremock";
+import * as sinonChai from "sinon-chai";
+import * as chaiAsPromised from "chai-as-promised";
+import { should, use } from "chai";
+import { ClientCredentials, RunnerParameters } from "../../src";
+import { createDefaultMockRunnerParameters, createMockClientCredentials, mockEnvironmentUrl } from "./mock/mockData";
+import { SyncSolutionParameters } from "src/actions";
+import { mockHost } from "./mock/mockHost";
+import Sinon = require("sinon");
+should();
+use(sinonChai);
+use(chaiAsPromised);
+
+describe("action: sync solution", () => {
+  let pacStub: Sinon.SinonStub<any[], any>;
+  let authenticateEnvironmentStub: Sinon.SinonStub<any[], any>;
+  let clearAuthenticationStub: Sinon.SinonStub<any[], any>;
+  const host = new mockHost();
+  const mockClientCredentials: ClientCredentials = createMockClientCredentials();
+  const environmentUrl: string = mockEnvironmentUrl;
+
+  beforeEach(() => {
+    pacStub = Sinon.stub();
+    authenticateEnvironmentStub = Sinon.stub();
+    clearAuthenticationStub = Sinon.stub();
+  })
+  afterEach(() => Sinon.restore())
+
+  async function runActionWithMocks(syncSolutionParameters: SyncSolutionParameters) {
+    const runnerParameters: RunnerParameters = createDefaultMockRunnerParameters();
+
+    const mockedActionModule = await rewiremock.around(() => import("../../src/actions/syncSolution"),
+      (mock) => {
+        mock(() => import("../../src/pac/createPacRunner")).withDefault(() => pacStub);
+        mock(() => import("../../src/pac/auth/authenticate")).with(
+          {
+            authenticateEnvironment: authenticateEnvironmentStub,
+            clearAuthentication: clearAuthenticationStub
+          });
+      });
+
+    authenticateEnvironmentStub.returns("Authentication successfully created.");
+    clearAuthenticationStub.returns("Authentication profiles and token cache removed");
+    pacStub.returns("");
+    await mockedActionModule.syncSolution(syncSolutionParameters, runnerParameters, host);
+  }
+
+  it("with required params, calls pac runner with correct args", async () => {
+    const syncSolutionParameters: SyncSolutionParameters = {
+      credentials: mockClientCredentials,
+      environmentUrl: environmentUrl,
+      solutionFolder: { name: "SolutionFolder", required: true },
+      logToConsole: false
+    }
+
+
+    await runActionWithMocks(syncSolutionParameters);
+
+    authenticateEnvironmentStub.should.have.been.calledOnceWith(pacStub, mockClientCredentials, environmentUrl);
+    pacStub.should.have.been.calledOnceWith("solution", "sync",
+      "--solution-folder", host.solutionFolder);
+    clearAuthenticationStub.should.have.been.calledOnceWith(pacStub);
+  });
+});
\ No newline at end of file