Issue #2882276 by benjifisher, estoyausente, nuez, kristiaanvandeneynde,...

Issue #2882276 by benjifisher, estoyausente, nuez, kristiaanvandeneynde, alexpott, ravi.shankar, osopolar, marvil07, danflanagan8, heddn, quietone, Matroskeen, hudri, joshi.rohit100: Extended callback process plugin to call functions with multiple parameters