| connection_string | string | no | no | A CosmosDB connection string. |
| database | string | no | no | The name of the database to query. |
| container | string | no | no | The name of the container to query. |
| partition_keys_map | string | no | no | A Bloblang mapping which should evaluate to a single partition key value or an array of partition key values of type string, integer or boolean. Currently, hierarchical partition keys are not supported so only one value may be provided. |
| operation | string | yes | no | The operation to perform on the document. The value should be one of Create, Delete, Patch, Replace or Upsert. The value defaults to Create. |
| patch_operations | []patch_operations | yes | no | A list of patch operations to apply to the document. This field is only used when the operation is set to Patch. |
| patch_condition | string | yes | no | Patch operation condition. This field supports interpolation functions. This field is only used when the operation is set to Patch. |
| auto_id | bool | yes | no | Whether to automatically generate an ID for the document if one is not provided. If the id field is already set, then it will not be overwritten. Setting this to false can improve performance, since the messages will not have to be parsed. The value defaults to true. |
| item_id | expression | no | no | ID of item to replace or delete. Only used by the Replace and Delete operations. This field supports interpolation functions. |
| max_in_flight | int | yes | no | The maximum number of messages to have in flight at any given time. The value defaults to 64. |
