# Update an Asset > Update the title, metadata, or public preview access. Omitted fields remain unchanged. ```json { "path": "/assets/{assetId}", "method": "patch", "schema": { "description": "Update the title, metadata, or public preview access. Omitted fields remain unchanged.", "operationId": "updateAsset", "parameters": [ { "in": "path", "name": "assetId", "required": true, "schema": { "type": "string" } } ], "requestBody": { "content": { "application/json": { "example": { "preview_enabled": false }, "schema": { "$ref": "#/components/schemas/AssetUpdateParams" } } }, "required": true }, "responses": { "204": { "description": "Success. Empty response body." }, "400": { "content": { "application/json": { "schema": { "$ref": "#/components/schemas/ResponseErrorValidation" } } }, "description": "Validation error" }, "401": { "content": { "application/json": { "schema": { "$ref": "#/components/schemas/ResponseErrorAuthentication" } } }, "description": "Authentication error" }, "403": { "content": { "application/json": { "schema": { "$ref": "#/components/schemas/ResponseErrorForbidden" } } }, "description": "Forbidden error" }, "404": { "content": { "application/json": { "schema": { "$ref": "#/components/schemas/ResponseErrorNotFound" } } }, "description": "NotFound error" }, "409": { "content": { "application/json": { "schema": { "$ref": "#/components/schemas/ResponseErrorConflict" } } }, "description": "Conflict error" }, "429": { "content": { "application/json": { "schema": { "$ref": "#/components/schemas/ResponseErrorTooManyRequests" } } }, "description": "TooManyRequests error" }, "503": { "content": { "application/json": { "schema": { "$ref": "#/components/schemas/ResponseErrorServiceUnavailable" } } }, "description": "ServiceUnavailable error" } }, "security": [ { "ProjectAccessToken": [] } ], "summary": "Update an Asset", "tags": [ "Assets" ], "x-codeSamples": [ { "lang": "typescript", "source": "import Chunkify from '@chunkify/chunkify';\n\nconst client = new Chunkify({\n projectAccessToken: 'My Project Access Token',\n});\n\nawait client.assets.update('ast_example', {\n preview_enabled: false,\n});" }, { "lang": "python", "source": "from chunkify import Chunkify\n\nclient = Chunkify(\n project_access_token=\"My Project Access Token\",\n)\n\nclient.assets.update(\n \"ast_example\",\n preview_enabled=False,\n)" }, { "lang": "php", "source": "\u003c?php\n\nuse Chunkify\\Client;\n\n$client = new Client(\n projectAccessToken: 'My Project Access Token',\n);\n\n$client-\u003eassets-\u003eupdate(\n 'ast_example',\n previewEnabled: false,\n);" }, { "lang": "golang", "source": "package main\n\nimport (\n\t\"context\"\n\n\t\"github.com/chunkifydev/chunkify-go\"\n\t\"github.com/chunkifydev/chunkify-go/option\"\n)\n\nfunc main() {\n\tclient := chunkify.NewClient(\n\t\toption.WithProjectAccessToken(\"My Project Access Token\"),\n\t)\n\terr := client.Assets.Update(context.TODO(), \"ast_example\", chunkify.AssetUpdateParams{\n\t\tPreviewEnabled: chunkify.Bool(false),\n\t})\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n}\n" } ] } } ``` ```json #/components/schemas/ResponseErrorNotFound { "description": "Error response", "properties": { "error": { "description": "Error response details", "properties": { "code": { "const": 404, "description": "Code is the HTTP status code", "examples": [ 404 ], "type": "integer" }, "message": { "description": "Message is a human-readable error description", "examples": [ "Ressource not found" ], "type": "string" }, "type": { "const": "NotFoundError", "description": "Type indicates the error category", "enum": [ "NotFoundError" ], "type": "string" } }, "required": [ "type", "code", "message" ], "type": "object" }, "status": { "const": "error", "description": "Status indicates the response status \"error\"", "type": "string" } }, "required": [ "status", "error" ], "type": "object" } ``` ```json #/components/schemas/ResponseErrorConflict { "description": "Error response", "properties": { "error": { "description": "Error response details", "properties": { "code": { "const": 409, "description": "Code is the HTTP status code", "examples": [ 409 ], "type": "integer" }, "message": { "description": "Message is a human-readable error description", "examples": [ "source_unavailable: the original video is no longer accessible" ], "type": "string" }, "type": { "const": "ConflictError", "description": "Type indicates the error category", "enum": [ "ConflictError" ], "type": "string" } }, "required": [ "type", "code", "message" ], "type": "object" }, "status": { "const": "error", "description": "Status indicates the response status \"error\"", "type": "string" } }, "required": [ "status", "error" ], "type": "object" } ``` ```json #/components/schemas/ResponseErrorTooManyRequests { "description": "Error response", "properties": { "error": { "description": "Error response details", "properties": { "code": { "const": 429, "description": "Code is the HTTP status code", "examples": [ 429 ], "type": "integer" }, "message": { "description": "Message is a human-readable error description", "examples": [ "Rate limit exceeded" ], "type": "string" }, "type": { "const": "TooManyRequestsError", "description": "Type indicates the error category", "enum": [ "TooManyRequestsError" ], "type": "string" } }, "required": [ "type", "code", "message" ], "type": "object" }, "status": { "const": "error", "description": "Status indicates the response status \"error\"", "type": "string" } }, "required": [ "status", "error" ], "type": "object" } ``` ```json #/components/schemas/ResponseErrorServiceUnavailable { "properties": { "error": { "description": "Error response details", "properties": { "code": { "const": 503, "description": "Code is the HTTP status code", "examples": [ 503 ], "type": "integer" }, "message": { "description": "Message is a human-readable error description", "examples": [ "The service is temporarily unavailable; retry the request" ], "type": "string" }, "type": { "const": "ServiceUnavailableError", "description": "Type indicates the error category", "enum": [ "ServiceUnavailableError" ], "type": "string" } }, "required": [ "type", "code", "message" ], "type": "object" }, "status": { "const": "error", "description": "Status indicates the response status \"error\"", "type": "string" } }, "required": [ "status", "error" ] } ``` ```json #/components/schemas/AssetUpdateParams { "properties": { "metadata": { "additionalProperties": { "type": "string" }, "description": "Replaces all metadata. Send {} to clear it; omit to leave unchanged. Maximum encoded JSON size: 2,048 bytes.", "examples": [ { "key": "value", "key2": "value2" } ], "type": "object", "x-maxJSONBytes": 2048 }, "preview_enabled": { "description": "Allow public preview access without an API token. Does not control CDN or static download access. Disabling it does not revoke signed URLs already issued.", "type": "boolean" }, "title": { "description": "Asset title, up to 256 characters. Send an empty string to clear it; omit to leave unchanged.", "examples": [ "Launch video" ], "maxLength": 256, "type": "string" } }, "required": [], "type": "object", "x-reject-null-fields": [ "title", "metadata", "preview_enabled" ] } ``` ```json #/components/schemas/ResponseErrorValidation { "properties": { "error": { "properties": { "code": { "const": 400, "description": "Code is the HTTP status code", "examples": [ 400 ], "type": "integer" }, "message": { "description": "Message is a human-readable error description", "examples": [ "Invalid request parameters" ], "type": "string" }, "type": { "const": "ValidationError", "description": "Type indicates the error category", "enum": [ "ValidationError" ], "type": "string" } }, "required": [ "type", "code", "message" ], "type": "object" }, "status": { "const": "error", "description": "Status indicates the response status \"error\"", "type": "string" } }, "required": [ "status", "error" ] } ``` ```json #/components/schemas/ResponseErrorAuthentication { "description": "Error response", "properties": { "error": { "description": "Error response details", "properties": { "code": { "const": 401, "description": "Code is the HTTP status code", "examples": [ 401 ], "type": "integer" }, "message": { "description": "Message is a human-readable error description", "examples": [ "Authentication error: invalid token or subscription inactive" ], "type": "string" }, "type": { "const": "AuthenticationError", "description": "Type indicates the error category", "enum": [ "AuthenticationError" ], "type": "string" } }, "required": [ "type", "code", "message" ], "type": "object" }, "status": { "const": "error", "description": "Status indicates the response status \"error\"", "type": "string" } }, "required": [ "status", "error" ], "type": "object" } ``` ```json #/components/schemas/ResponseErrorForbidden { "properties": { "error": { "description": "Error response details", "properties": { "code": { "const": 403, "description": "Code is the HTTP status code", "examples": [ 403 ], "type": "integer" }, "message": { "description": "Message is a human-readable error description", "examples": [ "Unauthorized to perform this action" ], "type": "string" }, "type": { "const": "ForbiddenError", "description": "Type indicates the error category", "enum": [ "ForbiddenError" ], "type": "string" } }, "required": [ "type", "code", "message" ], "type": "object" }, "status": { "const": "error", "description": "Status indicates the response status \"error\"", "type": "string" } }, "required": [ "status", "error" ] } ```