How to add n number of signers to create and send envelope operation in docusign

HI team,

we are using the DocuSign Connected system to send Envelopes. we have a requirement to send Envelopes based on number of clients . so can the Json format in the create and Send Envelope had to be Dynamically Accept the Inputs based on the Number of Clients. i need support in creating the Json format that Accepts and send Docusign mails for Multiple Sender. 

some times there will be one client or  Two or N.

Thank you.

Neelapala GowriPriya