fix(box): remove unsupported reason param from cancel sign request

The Box Sign cancel endpoint (POST /sign_requests/{id}/cancel) does not
accept a request body per the API specification. Remove the misleading
reason parameter from the tool, types, block config, and docs.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: waleedlatif1

apps/docs/content/docs/en/tools/box_sign.mdx

@@ -24,6 +24,7 @@ With the Box Sign integration in Sim, you can:
 The Box Sign integration is ideal for automating document signing workflows such as offer letters, contracts, NDAs, and approval processes. Agents can create sign requests from documents already stored in Box, track completion, and trigger follow-up actions based on signing status.
 {/* MANUAL-CONTENT-END */}
 
+
 ## Usage Instructions
 
 Integrate Box Sign into your workflow to send documents for e-signature. Create sign requests with multiple signers, track signing status, list all requests, cancel pending requests, and resend reminders. Ideal for offer letters, contracts, and other documents requiring signatures.
@@ -144,7 +145,6 @@ Cancel a pending Box Sign request
 | Parameter | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
 | `signRequestId` | string | Yes | The ID of the sign request to cancel |
-| `reason` | string | No | Optional reason for cancellation |
 
 #### Output
 

apps/sim/blocks/blocks/box_sign.ts

@@ -186,15 +186,6 @@ export const BoxSignBlock: BlockConfig = {
       },
     },
 
-    // Cancel-specific fields
-    {
-      id: 'reason',
-      title: 'Cancellation Reason',
-      type: 'short-input',
-      placeholder: 'Optional reason for cancellation',
-      condition: { field: 'operation', value: 'cancel_request' },
-    },
-
     // List fields
     {
       id: 'limit',
@@ -259,7 +250,6 @@ export const BoxSignBlock: BlockConfig = {
             break
           case 'cancel_request':
             baseParams.signRequestId = rest.signRequestId
-            if (rest.reason) baseParams.reason = rest.reason
             break
           case 'list_requests':
             if (rest.limit) baseParams.limit = Number(rest.limit)

apps/sim/tools/box_sign/cancel_request.ts

@@ -26,12 +26,6 @@ export const boxSignCancelRequestTool: ToolConfig<BoxSignCancelRequestParams, Bo
       visibility: 'user-or-llm',
       description: 'The ID of the sign request to cancel',
     },
-    reason: {
-      type: 'string',
-      required: false,
-      visibility: 'user-or-llm',
-      description: 'Optional reason for cancellation',
-    },
   },
 
   request: {
@@ -41,12 +35,7 @@ export const boxSignCancelRequestTool: ToolConfig<BoxSignCancelRequestParams, Bo
       Authorization: `Bearer ${params.accessToken}`,
       'Content-Type': 'application/json',
     }),
-    body: (params) => {
-      if (params.reason) {
-        return { reason: params.reason }
-      }
-      return {}
-    },
+    body: () => ({}),
   },
 
   transformResponse: async (response) => {

apps/sim/tools/box_sign/types.ts

@@ -34,7 +34,6 @@ export interface BoxSignListRequestsParams {
 export interface BoxSignCancelRequestParams {
   accessToken: string
   signRequestId: string
-  reason?: string
 }
 
 export interface BoxSignResendRequestParams {