diff --git a/src/lib/ctx.ts b/src/lib/ctx.ts
index 1b176e6..854731b 100644
--- a/src/lib/ctx.ts
+++ b/src/lib/ctx.ts
@@ -245,7 +245,8 @@ export default (options: Record<string, string>): Context => {
             approvalThreshold: config.approvalThreshold,
             rejectionThreshold: config.rejectionThreshold,
             showRenderErrors: config.showRenderErrors ?? false,
-            customCSS: (config as any).customCSS
+            customCSS: (config as any).customCSS,
+            tags: config.tags || []
         },
         uploadFilePath: '',
         webStaticConfig: [],
diff --git a/src/lib/httpClient.ts b/src/lib/httpClient.ts
index bd740dd..a783ffb 100644
--- a/src/lib/httpClient.ts
+++ b/src/lib/httpClient.ts
@@ -836,6 +836,7 @@ export default class httpClient {
         if (ctx.git?.commitId) form.append('commitId', ctx.git.commitId);
         if (ctx.git?.commitAuthor) form.append('commitAuthor', ctx.git.commitAuthor);
         if (ctx.git?.commitMessage) form.append('commitMessage', ctx.git.commitMessage);
+        if (ctx.config.tags?.length) form.append('tags', ctx.config.tags.join(','));
 
         try {
             const response = await this.axiosInstance.request({
diff --git a/src/lib/schemaValidation.ts b/src/lib/schemaValidation.ts
index 76951d6..ceb9bbe 100644
--- a/src/lib/schemaValidation.ts
+++ b/src/lib/schemaValidation.ts
@@ -389,6 +389,22 @@ const ConfigSchema = {
         showRenderErrors: {
             type: "boolean",
             errorMessage: "Invalid config; showRenderErrors must be true/false"
+        },
+        tags: {
+            type: "array",
+            items: {
+                type: "string",
+                minLength: 1,
+                maxLength: 50,
+                errorMessage: "Invalid config; each tag must be a non-empty string of at most 50 characters"
+            },
+            maxItems: 50,
+            uniqueItems: true,
+            errorMessage: {
+                type: "Invalid config; tags must be an array of strings",
+                maxItems: "Invalid config; at most 50 tags are allowed",
+                uniqueItems: "Invalid config; tags must be unique"
+            }
         }
     },
     anyOf: [
diff --git a/src/types.ts b/src/types.ts
index 364f07f..be83d61 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -48,6 +48,7 @@ export interface Context {
         rejectionThreshold?: number;
         showRenderErrors?: boolean;
         customCSS?: string;
+        tags?: string[];
     };
     uploadFilePath: string;
     // documents awaiting sync results, filled at upload time so polling knows what to ask for