diff --git a/packages/core/__tests__/markdown-summary.test.ts b/packages/core/__tests__/markdown-summary.test.ts
index 00f4ad6c..08f19c91 100644
--- a/packages/core/__tests__/markdown-summary.test.ts
+++ b/packages/core/__tests__/markdown-summary.test.ts
@@ -111,7 +111,7 @@ describe('@actions/core/src/markdown-summary', () => {
 
   it('overwrites text to summary file', async () => {
     await fs.promises.writeFile(testFilePath, 'overwrite', {encoding: 'utf8'})
-    await markdownSummary.addRaw(fixtures.text).write(true)
+    await markdownSummary.addRaw(fixtures.text).write({overwrite: true})
     await assertSummary(fixtures.text)
   })
 
diff --git a/packages/core/src/markdown-summary.ts b/packages/core/src/markdown-summary.ts
index b2880e90..5835a37c 100644
--- a/packages/core/src/markdown-summary.ts
+++ b/packages/core/src/markdown-summary.ts
@@ -45,6 +45,14 @@ export interface SummaryImageOptions {
   height?: string
 }
 
+export interface SummaryWriteOptions {
+  /**
+   * Replace all existing content in summary file with buffer contents
+   * (optional) default: false
+   */
+  overwrite?: boolean
+}
+
 class MarkdownSummary {
   private _buffer: string
   private _filePath?: string
@@ -134,11 +142,12 @@ class MarkdownSummary {
    * Writes text in the buffer to the summary buffer file and empties buffer. Will append by default.
    * Checks if resulting file size > SUMMARY_LIMIT_BYTES, will throw and empty buffer
    *
-   * @param {boolean} [overwrite=false] (optional) replace existing content in summary file with buffer contents, default: false
+   * @param {SummaryWriteOptions | undefined} options (optional) options for write operation
    *
    * @returns {Promise<MarkdownSummary>} markdown summary instance
    */
-  async write(overwrite = false): Promise<MarkdownSummary> {
+  async write(options?: SummaryWriteOptions): Promise<MarkdownSummary> {
+    const overwrite = !!options?.overwrite
     const filePath = await this.filePath()
 
     if (await this.willExceedLimit(overwrite)) {
@@ -160,7 +169,7 @@ class MarkdownSummary {
    * @returns {MarkdownSummary} markdown summary instance
    */
   async clear(): Promise<MarkdownSummary> {
-    return this.emptyBuffer().write(true)
+    return this.emptyBuffer().write({overwrite: true})
   }
 
   /**