How can i pass multiple process parameter to the process model from the webapi

Question

HI Appian, 
 I have to pass multiple cdt values as process parameter from a webapi how can i do that? 
 Please someone help me for this. I have attached the sample code for your reference.PF_Request and PF_REQUESTITEMDETAIL is the table which i am passing as parameter from webapi to process model as Process variables. 
 
 a!startProcess(
 processModel: cons!PF_Create_Request_WithChanges,
 processParameters: {
 PF_Request : a!fromJson(
 http!request.body
 ),
 PF_REQUESTITEMDETAIL:a!fromJson(
 http!request.body
 )
 },
 onSuccess: a!httpResponse(
 statusCode: 200,
 headers: {
 a!httpHeader(name: "Content-Type", value: "application/json")
 },
 body: a!toJson(
 fv!processInfo
 )
 ),
 onError: a!httpResponse(
 statusCode: 500,
 headers: {
 a!httpHeader(name: "Content-Type", value: "application/json")
 },
 body: a!toJson(
 {
 error: "There was an error starting the process"
 }
 )
 )
) 
 Thanks 
 Sunu Sam

Danny Verb · Accepted Answer

Web API expressions are just like other expressions in Appian in that they can utilize local variables! For example: 
 
 a!localVariables(
 local!body: http!request.body,
 local!pfRequest: local!body.pfRequest,
 local!detail: local!body.requestDetail,
 a!startProcess(
 processModel: cons!PF_Create_Request_WithChanges,
 processParameters: {
 PF_Request : local!pfRequest,
 PF_REQUESTITEMDETAIL: local!detail
 },
 onSuccess: a!httpResponse(
 statusCode: 200,
 headers: {
 a!httpHeader(name: "Content-Type", value: "application/json")
 },
 body: a!toJson(
 fv!processInfo
 )
 ),
 onError: a!httpResponse(
 statusCode: 500,
 headers: {
 a!httpHeader(name: "Content-Type", value: "application/json")
 },
 body: a!toJson(
 {
 error: "There was an error starting the process"
 }
 )
 )
 )
)

How can i pass multiple process parameter to the process model from the webapi

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