diff --git a/src/openapi/fiko/fiko-crud.yaml b/src/openapi/fiko/fiko-crud.yaml
index ae79167..d98d746 100644
--- a/src/openapi/fiko/fiko-crud.yaml
+++ b/src/openapi/fiko/fiko-crud.yaml
@@ -118,7 +118,15 @@ paths:
             type: array
             items:
               type: string
-            example: [created, succeeded, failed, returned to trx-db, returned to src, re-entered]
+            example:
+              [
+                created,
+                succeeded,
+                failed,
+                returned to trx-db,
+                returned to src,
+                re-entered,
+              ]
           explode: false
           description: Possible statuses of the transaction ('created', 'succeeded', 'failed', 'returned to trx-db', 'returned to src', 're-entered').
         - in: query
@@ -296,7 +304,15 @@ paths:
             type: array
             items:
               type: string
-            example: [created, succeeded, failed, returned to trx-db, returned to src, re-entered]
+            example:
+              [
+                created,
+                succeeded,
+                failed,
+                returned to trx-db,
+                returned to src,
+                re-entered,
+              ]
           explode: false
           description: The status of the transaction item.
         - in: query
@@ -421,6 +437,497 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/ProcessingFailuresPatchResponseBody"
+  /bookingprocesses:
+    get:
+      summary: Find booking processes.
+      description: Find booking processes.
+      tags:
+        - Booking Processes v2
+      parameters:
+        - in: query
+          name: bookingProcessId
+          schema:
+            type: string
+            format: uuid
+            example: 37a8095b-19db-498f-9349-5f37d21c5bdf
+          description: The id of the booking process.
+        - in: query
+          name: name
+          schema:
+            type: string
+            example: Verkooptransacties
+          description: The name of the booking process.
+        - in: query
+          name: transactionType
+          schema:
+            type: array
+            items:
+              type: string
+            example: [sales, purchase]
+          explode: false
+          description: The transaction type of the booking process.
+        - in: query
+          name: identifyingFieldName
+          schema:
+            type: string
+            example: articleNumber
+          description: The identifying field name of the booking process.
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BookingProcessesGetResponseBody"
+    post:
+      summary: Add a booking process.
+      description: Add a booking process.
+      tags:
+        - Booking Processes v2
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/BookingProcessesPostRequestBody"
+      responses:
+        "201":
+          description: Created
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BookingProcessesPostResponseBody"
+  /bookingprocesses/{bookingProcessId}:
+    parameters:
+      - in: path
+        name: bookingProcessId
+        schema:
+          type: string
+          format: uuid
+          example: 37a8095b-19db-498f-9349-5f37d21c5bdf
+        required: true
+        description: The id of the booking process.
+    patch:
+      summary: Update a booking process.
+      description: Update a booking process.
+      tags:
+        - Booking Processes v2
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/BookingProcessesPatchRequestBody"
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BookingProcessesPatchResponseBody"
+  /bookingprocesses/{bookingProcessId}/bookingmetadata:
+    parameters:
+      - in: path
+        name: bookingProcessId
+        schema:
+          type: string
+          format: uuid
+          example: 37a8095b-19db-498f-9349-5f37d21c5bdf
+        required: true
+        description: The id of the booking process.
+    post:
+      summary: Add booking metadata.
+      description: Add booking metadata.
+      tags:
+        - Booking Processes v2
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/BookingMetadataPostRequestBody"
+      responses:
+        "201":
+          description: Created
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BookingMetadataPostResponseBody"
+  /bookingmetadata:
+    get:
+      summary: Find booking metadata.
+      description: Find booking metadata.
+      tags:
+        - Booking Processes v2
+      parameters:
+        - in: query
+          name: bookingMetadataId
+          schema:
+            type: string
+            format: uuid
+            example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+          description: The id of the booking metadata.
+        - in: query
+          name: bookingProcessId
+          schema:
+            type: string
+            format: uuid
+            example: 37a8095b-19db-498f-9349-5f37d21c5bdf
+          description: The id of the parent booking process.
+        - in: query
+          name: description
+          schema:
+            type: string
+            example: Dagkaart
+          description: The description of the booking.
+        - in: query
+          name: element1
+          schema:
+            type: string
+            example: 900
+          description: The first element of the booking.
+        - in: query
+          name: element2
+          schema:
+            type: string
+            example: 84956
+          description: The second element of the booking.
+        - in: query
+          name: documentCode
+          schema:
+            type: string
+            example: FIKO-OPBR
+          description: The document code of the booking.
+        - in: query
+          name: hasSeparateTaxLine
+          schema:
+            type: boolean
+            example: true
+          description: Whether the booking has a separate tax line.
+        - in: query
+          name: hasLinePerIdentifyingField
+          schema:
+            type: boolean
+            example: true
+          description: Whether the booking has a line per identifying field.
+        - in: query
+          name: hasLinePerSource
+          schema:
+            type: boolean
+            example: true
+          description: Whether the booking has a line per source.
+        - in: query
+          name: hasLinePerSource
+          schema:
+            type: boolean
+            example: true
+          description: Whether the booking has a line per source.
+        - in: query
+          name: hasLinePerConcession
+          schema:
+            type: boolean
+            example: true
+          description: Whether the booking has a line per concession.
+        - in: query
+          name: validAt
+          schema:
+            type: string
+            example: 2024-01-01T00:00:00.000
+          description: Timestamp that the booking metadata is valid.
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BookingMetadataGetResponseBody"
+  /bookingmetadata/{bookingMetadataId}:
+    parameters:
+      - in: path
+        name: bookingMetadataId
+        schema:
+          type: string
+          format: uuid
+          example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+        required: true
+        description: The id of the booking metadata.
+    patch:
+      summary: Update booking metadata.
+      description: Update booking metadata.
+      tags:
+        - Booking Processes v2
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/BookingMetadataPatchRequestBody"
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BookingMetadataPatchResponseBody"
+  /bookingmetadata/{bookingMetadataId}/bookinggroupfields:
+    parameters:
+      - in: path
+        name: bookingMetadataId
+        schema:
+          type: string
+          format: uuid
+          example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+        required: true
+        description: The id of the booking metadata.
+    post:
+      summary: Add booking group fields.
+      description: Add booking group fields.
+      tags:
+        - Booking Processes v2
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/BookingGroupFieldsPostRequestBody"
+      responses:
+        "201":
+          description: Created
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BookingGroupFieldsPostResponseBody"
+  /bookingmetadata/{bookingMetadataId}/bookinglinemetadata:
+    parameters:
+      - in: path
+        name: bookingMetadataId
+        schema:
+          type: string
+          format: uuid
+          example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+        required: true
+        description: The id of the booking metadata.
+    post: 
+      summary: Add booking line metadata.
+      description: Add booking line metadata.
+      tags:
+        - Booking Processes v2
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/BookingLineMetadataPostRequestBody"
+      responses:
+        "201":
+          description: Created
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BookingLineMetadataPostResponseBody"
+  /bookinggroupfields:
+    get:
+      summary: Find booking group fields.
+      description: Find booking group fields.
+      tags:
+        - Booking Processes v2
+      parameters:
+        - in: query
+          name: bookingGroupFieldId
+          schema:
+            type: string
+            format: uuid
+            example: 37a8095b-19db-498f-9349-5f37d21c5bdf
+          description: The id of the booking group field.
+        - in: query
+          name: bookingMetadataId
+          schema:
+            type: string
+            format: uuid
+            example: 63d4a7e2-62c3-428b-a4bb-e4ee45516f2a
+          description: The id of the parent booking metadata.
+        - in: query
+          name: identifyingFieldValue
+          schema:
+            type: string
+            example: 1737
+          description: The identifying field value.
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BookingGroupFieldsGetResponseBody"
+  /bookinggroupfields/{bookingGroupFieldId}:
+    parameters:
+      - in: path
+        name: bookingGroupFieldId
+        schema:
+          type: string
+          format: uuid
+          example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+        required: true
+        description: The id of the booking group field.
+    delete:
+      summary: Delete booking group field.
+      description: Delete booking group field.
+      tags:
+        - Booking Processes v2
+      responses:
+        "200":
+          description: OK
+  /bookinglinemetadata:
+    get:
+      summary: Find booking line metadata.
+      description: Find booking line metadata.
+      tags:
+        - Booking Processes v2
+      parameters:
+        - in: query
+          name: bookingLineMetadataId
+          schema:
+            type: string
+            format: uuid
+            example: 37a8095b-19db-498f-9349-5f37d21c5bdf
+          description: The id of the booking line metadata.
+        - in: query
+          name: bookingMetadataId
+          schema:
+            type: string
+            format: uuid
+            example: 63d4a7e2-62c3-428b-a4bb-e4ee45516f2a
+          description: The id of the parent booking metadata.
+        - in: query
+          name: name
+          schema:
+            type: string
+            example: Dakaart - BUS
+          description: The name of the booking line metadata.
+        - in: query
+          name: incomingName
+          schema:
+            type: string
+            example: Webshop
+          description: The incoming name of the booking line metadata.
+        - in: query
+          name: identifyingFieldValue
+          schema:
+            type: string
+            example: 1737
+          description: The identifying field value.
+        - in: query
+          name: concessionName
+          schema:
+            type: array
+            items:
+              type: string
+            example: [BUS, RAIL]
+          explode: false
+          description: The name of the concession.
+        - in: query
+          name: lineType
+          schema:
+            type: array
+            items:
+              type: string
+            example: [summary, analysis, tax]
+          explode: false
+          description: The type of the line.
+        - in: query
+          name: lineSense
+          schema:
+            type: array
+            items:
+              type: string
+            example: [debit, credit]
+          explode: false
+          description: The sense of the line.
+        - in: query
+          name: element3
+          schema:
+            type: string
+            example: 603031
+          description: The element 3 of the booking line metadata.
+        - in: query
+          name: element4
+          schema:
+            type: string
+            example: Dagkaart
+          description: The element 4 of the booking line metadata.      
+        - in: query
+          name: extRef1
+          schema:
+            type: string
+            example: extRef1
+        - in: query
+          name: extRef2
+          schema:
+            type: string
+            example: extRef2
+        - in: query
+          name: extRef3
+          schema:
+            type: string
+            example: extRef3 
+        - in: query
+          name: extRef4
+          schema:
+            type: string
+            example: extRef4
+        - in: query
+          name: extRef5
+          schema:
+            type: string
+            example: extRef5
+        - in: query
+          name: extRef6
+          schema:
+            type: string
+            example: extRef6
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BookingLineMetadataGetResponseBody"
+  /bookinglinemetadata/{bookingLineMetadataId}:
+    parameters:
+      - in: path
+        name: bookingLineMetadataId
+        schema:
+          type: string
+          format: uuid
+          example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+        required: true
+        description: The id of the booking line metadata.
+    patch:
+      summary: Update booking line metadata.
+      description: Update booking line metadata.
+      tags:
+        - Booking Processes v2
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/BookingLineMetadataPatchRequestBody"
+      responses:
+        "200":
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/BookingLineMetadataPatchResponseBody"
+    delete:
+      summary: Delete booking line metadata.
+      description: Delete booking line metadata.
+      tags:
+        - Booking Processes v2
+      responses:
+        "200":
+          description: OK
   /taxmetadata:
     get:
       summary: Find tax metadata.
@@ -1127,7 +1634,7 @@ components:
               detail:
                 type: string
                 example: Transaction is a duplicate of a transaction already in the system.
-              pointer: 
+              pointer:
                 type: string
                 example: "#/transactionItems/0"
               transactionId:
@@ -1440,6 +1947,560 @@ components:
           example: null
       required:
         - transactionAuditTrails
+    BookingProcessesGetResponseBody:
+      type: object
+      properties:
+        bookingProcesses:
+          type: array
+          items:
+            type: object
+            properties:
+              bookingProcessId:
+                type: string
+                format: uuid
+                example: 37a8095b-19db-498f-9349-5f37d21c5bdf
+              name:
+                type: string
+                example: Verkooptransacties
+              transactionType:
+                type: string
+                enum:
+                  - sales
+                example: sales
+              identifyingFieldName:
+                type: string
+                nullable: true
+                example: articleNumber
+            required:
+              - bookingProcessId
+              - name
+              - transactionType
+        href:
+          type: string
+          nullable: true
+          description: URI for pagination.
+          example: null
+      required:
+        - bookingProcesses
+    BookingProcessesPostRequestBody:
+      type: object
+      properties:
+        name:
+          type: string
+          example: Verkooptransacties
+        transactionType:
+          type: string
+          enum:
+            - sales
+          example: sales
+        identifyingFieldName:
+          type: string
+          nullable: true
+          example: articleNumber
+      required:
+        - name
+        - transactionType
+    BookingProcessesPostResponseBody:
+      type: object
+      properties:
+        bookingProcessId:
+          type: string
+          format: uuid
+          example: 37a8095b-19db-498f-9349-5f37d21c5bdf
+      required:
+        - bookingProcessId
+    BookingProcessesPatchRequestBody:
+      type: object
+      properties:
+        name:
+          type: string
+          nullable: true
+          example: Verkooptransacties
+        transactionType:
+          type: string
+          nullable: true
+          enum:
+            - sales
+          example: sales
+        identifyingFieldName:
+          type: string
+          nullable: true
+          example: articleNumber
+    BookingProcessesPatchResponseBody:
+      type: object
+      properties:
+        bookingProcessId:
+          type: string
+          format: uuid
+          example: 37a8095b-19db-498f-9349-5f37d21c5bdf
+      required:
+        - bookingProcessId
+    BookingMetadataGetResponseBody:
+      type: object
+      properties:
+        bookingMetadata:
+          type: array
+          items:
+            type: object
+            properties:
+              bookingMetadataId:
+                type: string
+                format: uuid
+                example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+              bookingProcessId:
+                type: string
+                format: uuid
+                example: 37a8095b-19db-498f-9349-5f37d21c5bdf
+              description:
+                type: string
+                example: Dagkaart
+              element1:
+                type: string
+                example: 900
+              element2:
+                type: string
+                example: 84956
+              documentCode:
+                type: string
+                example: FIKO-OPBR
+              hasSeparateTaxLine:
+                type: boolean
+                example: true
+              hasLinePerIdentifyingField:
+                type: boolean
+                example: true
+              hasLinePerSource:
+                type: boolean
+                example: true
+              hasLinePerConcession:
+                type: boolean
+                example: true
+              validFrom:
+                type: string
+                format: date-time
+                example: 2022-01-01 00:00:00
+              validTo:
+                type: string
+                format: date-time
+                nullable: true
+                example: null
+            required:
+              - bookingMetadataId
+              - bookingProcessId
+              - description
+              - element1
+              - element2
+              - documentCode
+              - hasSeparateTaxLine
+              - hasLinePerIdentifyingField
+              - hasLinePerSource
+              - hasLinePerConcession
+              - validFrom
+        href:
+          type: string
+          nullable: true
+          example: null
+      required:
+        - bookingMetadata
+    BookingMetadataPostRequestBody:
+      type: object
+      properties:
+        description:
+          type: string
+          example: Dagkaart
+        element1:
+          type: string
+          example: 900
+        element2:
+          type: string
+          example: 84956
+        documentCode:
+          type: string
+          example: FIKO-OPBR
+        hasSeparateTaxLine:
+          type: boolean
+          example: true
+        hasLinePerIdentifyingField:
+          type: boolean
+          example: true
+        hasLinePerSource:
+          type: boolean
+          example: true
+        hasLinePerConcession:
+          type: boolean
+          example: true
+        validFrom:
+          type: string
+          format: date-time
+          example: 2022-01-01 00:00:00
+        validTo:
+          type: string
+          format: date-time
+          nullable: true
+          example: null
+      required:
+        - description
+        - element1
+        - element2
+        - documentCode
+        - hasSeparateTaxLine
+        - hasLinePerIdentifyingField
+        - hasLinePerSource
+        - hasLinePerConcession
+        - validFrom
+    BookingMetadataPostResponseBody:
+      type: object
+      properties:
+        bookingMetadataId:
+          type: string
+          format: uuid
+          example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+      required:
+        - bookingMetadataId
+    BookingMetadataPatchRequestBody:
+      type: object
+      properties:
+        description:
+          type: string
+          nullable: true
+          example: Dagkaart
+        element1:
+          type: string
+          nullable: true
+          example: 900
+        element2:
+          type: string
+          nullable: true
+          example: 84956
+        documentCode:
+          type: string
+          nullable: true
+          example: FIKO-OPBR
+        hasSeparateTaxLine:
+          type: boolean
+          nullable: true
+          example: true
+        hasLinePerIdentifyingField:
+          type: boolean
+          nullable: true
+          example: true
+        hasLinePerSource:
+          type: boolean
+          nullable: true
+          example: true
+        hasLinePerConcession:
+          type: boolean
+          nullable: true
+          example: true
+        validFrom:
+          type: string
+          format: date-time
+          nullable: true
+          example: 2022-01-01 00:00:00
+        validTo:
+          type: string
+          format: date-time
+          nullable: true
+          example: null
+    BookingMetadataPatchResponseBody:
+      type: object
+      properties:
+        bookingMetadataId:
+          type: string
+          format: uuid
+          example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+      required:
+        - bookingMetadataId
+    BookingGroupFieldsPostRequestBody:
+      type: object
+      properties:
+        identifyingFieldValue:
+          type: string
+          example: 1737
+          required:
+            - identifyingFieldValue
+    BookingGroupFieldsPostResponseBody:
+      type: object
+      properties:
+        bookingGroupFieldId:
+          type: string
+          format: uuid
+          example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+          required:
+            - bookingGroupFieldId
+    BookingGroupFieldsGetResponseBody:
+      type: object
+      properties:
+        bookingGroupFields:
+          type: array
+          items:
+            type: object
+            properties:
+              bookingGroupFieldId:
+                type: string
+                format: uuid
+                example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+              bookingGroupMetadataId:
+                type: string
+                format: uuid
+                example: 12b4d128-0ab8-4a4a-944d-25b83de38b27
+              identifyingFieldValue:
+                type: string
+                example: 1737
+            required:
+              - bookingGroupFieldId
+              - bookingGroupMetadataId
+              - identifyingFieldValue
+        href:
+          type: string
+          nullable: true
+          example: null
+      required:
+        - bookingGroupFields
+    BookingLineMetadataPostRequestBody:
+      type: object
+      properties:
+        name:
+          type: string
+          example: Dagkaart - BUS
+        incomingName:
+          type: string
+          example: null
+          nullable: true
+        identifyingFieldValue:
+          type: string
+          example: null
+          nullable: true
+        concessionName:
+          type: string
+          example: RAIL
+          nullable: true
+        lineType:
+          type: string
+          enum:
+            - summary
+            - analysis
+            - tax
+          example: summary
+        lineSense:
+          type: string
+          enum:
+            - debit
+            - credit
+          example: credit
+        element3:
+          type: string
+          example: 603031
+          nullable: true
+        element4:
+          type: string
+          example: dagkaart
+          nullable: true
+        extRef1:
+          type: string
+          example: null
+          nullable: true
+        extRef2:
+          type: string
+          example: null
+          nullable: true
+        extRef3:
+          type: string
+          example: 2025-02-17
+          nullable: true
+        extRef4:
+          type: string
+          example: null
+          nullable: true
+        extRef5:
+          type: string
+          example: Webshop
+          nullable: true
+        extRef6:
+          type: string
+          example: null
+          nullable: true
+      required:
+        - name
+        - lineType
+        - lineSense
+    BookingLineMetadataPostResponseBody:
+      type: object
+      properties:
+        bookingLineMetadataId:
+          type: string
+          format: uuid
+          example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+      required:
+        - bookingLineMetadataId
+    BookingLineMetadataGetResponseBody:
+      type: object
+      properties:
+        bookingLineMetadata:
+          type: array
+          items:
+            type: object
+            properties:
+              bookingLineMetadataId:
+                type: string
+                format: uuid
+                example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+              bookingMetadataId:
+                type: string
+                format: uuid
+                example: 12b4d128-0ab8-4a4a-944d-25b83de38b27
+              name:
+                type: string
+                example: Dagkaart - BUS
+              incomingName:
+                type: string
+                example: null
+                nullable: true
+              identifyingFieldValue:
+                type: string
+                example: null
+                nullable: true
+              concessionName:
+                type: string
+                enum:
+                  - RAIL
+                  - BUS
+                example: RAIL
+              lineType:
+                type: string
+                enum:
+                  - summary
+                  - analysis
+                  - tax
+                example: summary
+              lineSense:
+                type: string
+                enum:
+                  - debit
+                  - credit
+                example: credit
+              element3:
+                type: string
+                example: 603031
+                nullable: true
+              element4:
+                type: string
+                example: dagkaart
+                nullable: true
+              extRef1:
+                type: string
+                example: null
+                nullable: true
+              extRef2:
+                type: string
+                example: null
+                nullable: true
+              extRef3:
+                type: string
+                example: 2025-02-17
+                nullable: true
+              extRef4:
+                type: string
+                example: null
+                nullable: true
+              extRef5:
+                type: string
+                example: Webshop
+                nullable: true
+              extRef6:
+                type: string
+                example: null
+                nullable: true
+            required:
+              - bookingLineMetadataId
+              - bookingMetadataId
+              - name
+              - lineType
+              - lineSense
+        href:
+          type: string
+          nullable: true
+          example: null
+      required:
+        - bookingLineMetadata
+    BookingLineMetadataPatchRequestBody:
+      type: object
+      properties:
+        name:
+          type: string
+          nullable: true
+          example: Dagkaart - BUS
+        incomingName:
+          type: string
+          nullable: true
+          example: null
+        identifyingFieldValue:
+          type: string
+          nullable: true
+          example: null
+        concessionName:
+          type: string
+          nullable: true
+          enum:
+            - RAIL
+            - BUS
+          example: RAIL
+        lineType:
+          type: string
+          nullable: true
+          enum:
+            - summary
+            - analysis
+            - tax
+          example: summary
+        lineSense:
+          type: string
+          nullable: true
+          enum:
+            - debit
+            - credit
+          example: credit
+        element3:
+          type: string
+          nullable: true
+          example: 603031
+        element4:
+          type: string
+          nullable: true
+          example: dagkaart
+        extRef1:
+          type: string
+          nullable: true
+          example: null
+        extRef2:
+          type: string
+          nullable: true 
+          example: null
+        extRef3:
+          type: string
+          nullable: true
+          example: 2025-02-17
+        extRef4:
+          type: string
+          nullable: true
+          example: null
+        extRef5:
+          type: string
+          nullable: true
+          example: Webshop
+        extRef6:
+          type: string
+          nullable: true
+          example: null
+    BookingLineMetadataPatchResponseBody:
+      type: object
+      properties:
+        bookingLineMetadataId:
+          type: string
+          format: uuid
+          example: 6ce10520-9a73-4cb4-b8dd-39ee46ceb617
+      required:
+        - bookingLineMetadataId
     MetadataAuditTrailsGetResponseBody:
       type: object
       properties:
@@ -1647,7 +2708,7 @@ components:
         taxCode:
           type: string
           example: V21
-        taxPercentageAmount:  
+        taxPercentageAmount:
           type: integer
           example: 21
         description:
@@ -1677,7 +2738,7 @@ components:
         sourceMetadata:
           type: array
           items:
-            $ref: '#/components/schemas/SourceMetadata'
+            $ref: "#/components/schemas/SourceMetadata"
         href:
           type: string
           nullable: true