> For the complete documentation index, see [llms.txt](https://docs.ondiagram.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ondiagram.com/nodes/mongodb.md). # MongoDB ## General The `MongoDB` node allows to create, read, update and delete objects on **any** instance of Mongo DB. ## Input CASE: Insert / One * **Data:** Receives an `Object` with the data to insert to the collection. Learn more on [mongodb.collection.insertOne](https://docs.mongodb.com/manual/reference/method/db.collection.insertOne/). * **Options:** *(optional)* Receives an `Object` with options for the operation. Learn more on [mongodb.collection.insertOne](https://docs.mongodb.com/manual/reference/method/db.collection.insertOne/). CASE: Insert / Many * **Data:** Receives an array of `Object` with the data to insert to the collection. Learn more on [mongodb.collection.insertMany](https://docs.mongodb.com/manual/reference/method/db.collection.insertMany/). * **Options:** *(optional)* Receives an `Object` with options for the operation. Learn more on [mongodb.collection.insertMany](https://docs.mongodb.com/manual/reference/method/db.collection.insertMany/). CASE: Find / One * **Filter:** Receives an `Object` with the query selection criteria. Learn more on [mongodb.collection.findOne](https://docs.mongodb.com/manual/reference/method/db.collection.findOne/). * **Options:** *(optional)* Receives an `Object` with options for the operation. Learn more on [mongodb.collection.findOne](https://docs.mongodb.com/manual/reference/method/db.collection.findOne/). CASE: Find / Many * **Filter:** Receives an `Object` with the query selection criteria. Learn more on [mongodb.collection.insertMany](https://docs.mongodb.com/manual/reference/method/db.collection.insertMany/). * **Options:** *(optional)* Receives an `Object` with options for the operation. Learn more on [mongodb.collection.insertMany](https://docs.mongodb.com/manual/reference/method/db.collection.insertMany/). CASE: Update / One * **Filter:** Receives an `Object` with the query selection criteria. Learn more on [mongodb.collection.updateOne](https://docs.mongodb.com/manual/reference/method/db.collection.updateOne/). * **Data:** Receives an array of `Object` with the data to update to the collection. Learn more on [mongodb.collection.updateOne](https://docs.mongodb.com/manual/reference/method/db.collection.updateOne/). * **Options:** *(optional)* Receives an `Object` with options for the operation. Learn more on [mongodb.collection.updateOne](https://docs.mongodb.com/manual/reference/method/db.collection.updateOne/). CASE: Update / One (Replace) * **Filter:** Receives an `Object` with the query selection criteria. Learn more on [mongodb.collection.replaceOne](https://docs.mongodb.com/manual/reference/method/db.collection.replaceOne/). * **Data:** Receives an array of `Object` with the data to update to the collection. Learn more on [mongodb.collection.replaceOne](https://docs.mongodb.com/manual/reference/method/db.collection.replaceOne/). * **Options:** *(optional)* Receives an `Object` with options for the operation. Learn more on [mongodb.collection.replaceOne](https://docs.mongodb.com/manual/reference/method/db.collection.replaceOne/). CASE: Update / Many * **Filter:** Receives an `Object` with the query selection criteria. Learn more on [mongodb.collection.updateMany](https://docs.mongodb.com/manual/reference/method/db.collection.updateMany/). * **Data:** Receives an array of `Object` with the data to update to the collection. Learn more on [mongodb.collection.updateMany](https://docs.mongodb.com/manual/reference/method/db.collection.updateMany/). * **Options:** *(optional)* Receives an `Object` with options for the operation. Learn more on [mongodb.collection.updateMany](https://docs.mongodb.com/manual/reference/method/db.collection.updateMany/). CASE: Delete / One * **Filter:** Receives an `Object` with the query selection criteria. Learn more on [mongodb.collection.deleteOne](https://docs.mongodb.com/manual/reference/method/db.collection.deleteOne/). * **Options:** *(optional)* Receives an `Object` with options for the operation. Learn more on [mongodb.collection.deleteOne](https://docs.mongodb.com/manual/reference/method/db.collection.deleteOne/). CASE: Delete / Many * **Filter:** Receives an `Object` with the query selection criteria. Learn more on [mongodb.collection.deleteMany](https://docs.mongodb.com/manual/reference/method/db.collection.deleteMany/). * **Options:** *(optional)* Receives an `Object` with options for the operation. Learn more on [mongodb.collection.deleteMany](https://docs.mongodb.com/manual/reference/method/db.collection.deleteMany/). Environment variables: * **mongodb:** Requires *Connection String* to be set. ## Output \*\*\*\* CASE: Insert / One * **Out:** Returns an `Object` containing, a `Boolean` indicating write concern and a `String` insertedId with the \_id value of the inserted document. Learn more on [mongodb.collection.insertOne](https://docs.mongodb.com/manual/reference/method/db.collection.insertOne/). CASE: Insert / Many * **Out:** Returns an `Object` containing, a `Boolean` indicating write concern and a `String` insertedId with the \_id value of the inserted document. Learn more on [mongodb.collection.insertMany](https://docs.mongodb.com/manual/reference/method/db.collection.insertMany/). CASE: Find / One * **Out:** Returns an `Object` that satisfies the query criteria which contains a `String` with the \_id field. If you specify a projection parameter, it contains the projection fields. Learn more on [mongodb.collection.findOne](https://docs.mongodb.com/manual/reference/method/db.collection.findOne/). CASE: Find / Many * **Out:** Returns an array of `Object` that satisfies the query criteria which contains a `String` with the \_id field. If you specify a projection parameter, it contains the projection fields. Learn more on [mongodb.collection.findMany](https://docs.mongodb.com/manual/reference/method/db.collection.findMany/). CASE: Update / One * **Out:** Returns an `Object`, containing a `Number` with the number of matched documents, a `Number` with the number of modified documents, a `String` with the \_id of the inserted document and a `Boolean` indicating write concern. Learn more on [mongodb.collection.updateOne](https://docs.mongodb.com/manual/reference/method/db.collection.updateOne/). CASE: Update / One (Replace) * **Out:** Returns an `Object`, containing a `Number` with the number of matched documents, a `Number` with the number of modified documents, a `String` with the \_id of the inserted document and a `Boolean` indicating write concern. Learn more on [mongodb.collection.replaceOne](https://docs.mongodb.com/manual/reference/method/db.collection.replaceOne/). CASE: Update / Many * **Out:** Returns an `Object`, containing a `Number` with the number of matched documents, a `Number` with the number of modified documents, a `String` with the \_id of the inserted document and a `Boolean` indicating write concern. Learn more on [mongodb.collection.updateMany](https://docs.mongodb.com/manual/reference/method/db.collection.updateMany/). CASE: Delete / One * **Out:** Returns an `Object` containing, a `Boolean` indicating write concern and a `Number` with the number of deleted documents. Learn more on [mongodb.collection.deleteOne](https://docs.mongodb.com/manual/reference/method/db.collection.deleteOne/). CASE: Delete / Many * **Out:** Returns an `Object` containing, a `Boolean` indicating write concern and a `Number` with the number of deleted documents. Learn more on [mongodb.collection.deleteMany](https://docs.mongodb.com/manual/reference/method/db.collection.deleteMany/). ## Use Cases Retrieve a document from the database. * Request (Get) ➡ MongoDB (Get) ➡ Response (200) Update a document from the database. * Request (Post) ➡ MongoDB (Post) ➡ Response (200)