The Multipart Form Reader step is used with the HTTP Source step depending on the content type.
Illustrated in the below image is a flow where HTTP Service step is used to fetch data as a source step. The Multipart Form Reader step is used read data from the HTTP Service step, the Filter step is used to filter for specific data requirements and a Buffer destination step to store the data in.
Adding a Multipart Form Reader
To use a Multipart Form step in a flow, follow these instructions:
Click on the highlighted icon as shown in the below image.
The below page will appear. Select or search for a Reader step to pull out the source data. Click on the Reader tab and select Multipart Form as shown in the image below.
Using a Multipart Form Reader Step
The are two Content Type options available as shown in the image below which are Urlencoded and Multipart Form.
Urlencoded – If the HTTP Source step returns URL encoded data, the URLencoded content type is selected.
Multipart Form – If the HTTP Source step returns Multipart Form data, the Multipart Form content type is selected. When this content type is selected, a Boundary field will appear where you can type in the multipart form boundary.
For more information on Boundary, please click on the link below: